45452569 has 2 divisors, whose sum is σ = 45452570. Its totient is φ = 45452568.

The previous prime is 45452527. The next prime is 45452581. The reversal of 45452569 is 96525454.

45452569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30913600 + 14538969 = 5560^2 + 3813^2 .

It is a cyclic number.

It is not a de Polignac number, because 45452569 - 2¹⁹ = 44928281 is a prime.

It is a super-2 number, since 2×45452569² = 4131872057399522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45452269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22726284 + 22726285.

It is an arithmetic number, because the mean of its divisors is an integer number (22726285).

Almost surely, 2^45452569 is an apocalyptic number.

It is an amenable number.

45452569 is a deficient number, since it is larger than the sum of its proper divisors (1).

45452569 is an equidigital number, since it uses as much as digits as its factorization.

45452569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 40.

The square root of 45452569 is about 6741.8520452469. The cubic root of 45452569 is about 356.8777550157.

The spelling of 45452569 in words is "forty-five million, four hundred fifty-two thousand, five hundred sixty-nine".