45664571 has 2 divisors, whose sum is σ = 45664572. Its totient is φ = 45664570.

The previous prime is 45664559. The next prime is 45664579. The reversal of 45664571 is 17546654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45664571 - 2²² = 41470267 is a prime.

It is a super-2 number, since 2×45664571² = 4170506089228082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45664579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22832285 + 22832286.

It is an arithmetic number, because the mean of its divisors is an integer number (22832286).

Almost surely, 2^45664571 is an apocalyptic number.

45664571 is a deficient number, since it is larger than the sum of its proper divisors (1).

45664571 is an equidigital number, since it uses as much as digits as its factorization.

45664571 is an evil number, because the sum of its binary digits is even.

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

The square root of 45664571 is about 6757.5565850387. The cubic root of 45664571 is about 357.4317498936.

The spelling of 45664571 in words is "forty-five million, six hundred sixty-four thousand, five hundred seventy-one".