45156569 has 2 divisors, whose sum is σ = 45156570. Its totient is φ = 45156568.

The previous prime is 45156563. The next prime is 45156589. The reversal of 45156569 is 96565154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45050944 + 105625 = 6712^2 + 325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45156569 is a prime.

It is a super-2 number, since 2×45156569² = 4078231447703522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45156563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22578284 + 22578285.

It is an arithmetic number, because the mean of its divisors is an integer number (22578285).

Almost surely, 2^45156569 is an apocalyptic number.

It is an amenable number.

45156569 is a deficient number, since it is larger than the sum of its proper divisors (1).

45156569 is an equidigital number, since it uses as much as digits as its factorization.

45156569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 41.

The square root of 45156569 is about 6719.8637635000. The cubic root of 45156569 is about 356.1013708921.

The spelling of 45156569 in words is "forty-five million, one hundred fifty-six thousand, five hundred sixty-nine".