45654569 has 2 divisors, whose sum is σ = 45654570. Its totient is φ = 45654568.

The previous prime is 45654523. The next prime is 45654577. The reversal of 45654569 is 96545654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31214569 + 14440000 = 5587^2 + 3800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45654569 is a prime.

It is a super-2 number, since 2×45654569² = 4168679341151522, 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 (45654509) 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, 22827284 + 22827285.

It is an arithmetic number, because the mean of its divisors is an integer number (22827285).

Almost surely, 2^45654569 is an apocalyptic number.

It is an amenable number.

45654569 is a deficient number, since it is larger than the sum of its proper divisors (1).

45654569 is an equidigital number, since it uses as much as digits as its factorization.

45654569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 44.

The square root of 45654569 is about 6756.8164841144. The cubic root of 45654569 is about 357.4056516638.

The spelling of 45654569 in words is "forty-five million, six hundred fifty-four thousand, five hundred sixty-nine".