45974457 has 24 divisors (see below), whose sum is σ = 68889600. Its totient is φ = 29514240.

The previous prime is 45974449. The next prime is 45974459. The reversal of 45974457 is 75447954.

45974457 is a `hidden beast` number, since 4 + 597 + 4 + 4 + 57 = 666.

It is not a de Polignac number, because 45974457 - 2³ = 45974449 is a prime.

It is a super-2 number, since 2×45974457² = 4227301392889698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45974459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102169 + ... + 102617.

It is an arithmetic number, because the mean of its divisors is an integer number (2870400).

Almost surely, 2^45974457 is an apocalyptic number.

It is an amenable number.

45974457 is a deficient number, since it is larger than the sum of its proper divisors (22915143).

45974457 is a wasteful number, since it uses less digits than its factorization.

45974457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 850 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 45974457 is about 6780.4466667027. The cubic root of 45974457 is about 358.2384546834.

The spelling of 45974457 in words is "forty-five million, nine hundred seventy-four thousand, four hundred fifty-seven".