45757661 has 2 divisors, whose sum is σ = 45757662. Its totient is φ = 45757660.

The previous prime is 45757639. The next prime is 45757687. The reversal of 45757661 is 16675754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 7873636 = 6155^2 + 2806^2 .

It is a cyclic number.

It is not a de Polignac number, because 45757661 - 2⁶ = 45757597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45757601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22878830 + 22878831.

It is an arithmetic number, because the mean of its divisors is an integer number (22878831).

Almost surely, 2^45757661 is an apocalyptic number.

It is an amenable number.

45757661 is a deficient number, since it is larger than the sum of its proper divisors (1).

45757661 is an equidigital number, since it uses as much as digits as its factorization.

45757661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 41.

The square root of 45757661 is about 6764.4409229440. The cubic root of 45757661 is about 357.6744671435.

The spelling of 45757661 in words is "forty-five million, seven hundred fifty-seven thousand, six hundred sixty-one".