45975931 has 4 divisors (see below), whose sum is σ = 46003912. Its totient is φ = 45947952.

The previous prime is 45975929. The next prime is 45975949. The reversal of 45975931 is 13957954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45975931 - 2¹ = 45975929 is a prime.

It is a super-2 number, since 2×45975931² = 4227572462633522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45975031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11361 + ... + 14866.

It is an arithmetic number, because the mean of its divisors is an integer number (11500978).

Almost surely, 2^45975931 is an apocalyptic number.

45975931 is a deficient number, since it is larger than the sum of its proper divisors (27981).

45975931 is a wasteful number, since it uses less digits than its factorization.

45975931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27980.

The product of its digits is 170100, while the sum is 43.

The square root of 45975931 is about 6780.5553607356. Note that the first 3 decimals coincide. The cubic root of 45975931 is about 358.2422831704.

The spelling of 45975931 in words is "forty-five million, nine hundred seventy-five thousand, nine hundred thirty-one".