45757931 has 8 divisors (see below), whose sum is σ = 49481280. Its totient is φ = 42149248.

The previous prime is 45757903. The next prime is 45757939. The reversal of 45757931 is 13975754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45757931 - 2¹⁴ = 45741547 is a prime.

It is a super-2 number, since 2×45757931² = 4187576498801522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45757939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27836 + ... + 29433.

It is an arithmetic number, because the mean of its divisors is an integer number (6185160).

Almost surely, 2^45757931 is an apocalyptic number.

45757931 is a deficient number, since it is larger than the sum of its proper divisors (3723349).

45757931 is a wasteful number, since it uses less digits than its factorization.

45757931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57333.

The product of its digits is 132300, while the sum is 41.

The square root of 45757931 is about 6764.4608802180. The cubic root of 45757931 is about 357.6751706463.

The spelling of 45757931 in words is "forty-five million, seven hundred fifty-seven thousand, nine hundred thirty-one".