45664517 has 2 divisors, whose sum is σ = 45664518. Its totient is φ = 45664516.

The previous prime is 45664483. The next prime is 45664537. The reversal of 45664517 is 71546654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31292836 + 14371681 = 5594^2 + 3791^2 .

It is a cyclic number.

It is not a de Polignac number, because 45664517 - 2¹⁰ = 45663493 is a prime.

It is a super-2 number, since 2×45664517² = 4170496225686578, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45664537) 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, 22832258 + 22832259.

It is an arithmetic number, because the mean of its divisors is an integer number (22832259).

Almost surely, 2^45664517 is an apocalyptic number.

It is an amenable number.

45664517 is a deficient number, since it is larger than the sum of its proper divisors (1).

45664517 is an equidigital number, since it uses as much as digits as its factorization.

45664517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 45664517 is about 6757.5525895105. The cubic root of 45664517 is about 357.4316090016.

The spelling of 45664517 in words is "forty-five million, six hundred sixty-four thousand, five hundred seventeen".