Is 1045 a prime number?

1 045 is an odd number, because it is not evenly divisible by 2.

Find out more:

• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 1 045 is about 32.326.

Thus, the square root of 1 045 is not an integer, and therefore 1 045 is not a square number.

The square of a number (here 1 045) is the result of the product of this number (1 045) by itself (i.e., 1 045 × 1 045); the square of 1 045 is sometimes called "raising 1 045 to the power 2", or "1 045 squared".

The square of 1 045 is 1 092 025 because 1 045 × 1 045 = 1 045² = 1 092 025.

As a consequence, 1 045 is the square root of 1 092 025.

1 045 is a number with 4 digits.

The multiples of 1 045 are all integers evenly divisible by 1 045, that is all numbers such that the remainder of the division by 1 045 is zero. There are infinitely many multiples of 1 045. The smallest multiples of 1 045 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 045 too, since 0 × 1 045 = 0
• 1 045: indeed, 1 045 is a multiple of itself, since 1 045 is evenly divisible by 1 045 (we have 1 045 / 1 045 = 1, so the remainder of this division is indeed zero)
• 2 090: indeed, 2 090 = 1 045 × 2
• 3 135: indeed, 3 135 = 1 045 × 3
• 4 180: indeed, 4 180 = 1 045 × 4
• 5 225: indeed, 5 225 = 1 045 × 5
• etc.

• Preceding numbers: …1 043, 1 044
• Following numbers: 1 046, 1 047…

Nearest numbers from 1 045

• Preceding prime number: 1 039
• Following prime number: 1 049

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• 1 045 est-il un nombre premier ?