45975321 has 24 divisors (see below), whose sum is σ = 79198080. Its totient is φ = 25128576.

The previous prime is 45975311. The next prime is 45975323. The reversal of 45975321 is 12357954.

It is not a de Polignac number, because 45975321 - 2⁵ = 45975289 is a prime.

It is a super-2 number, since 2×45975321² = 4227460282106082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45975323) 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, 14416 + ... + 17313.

It is an arithmetic number, because the mean of its divisors is an integer number (3299920).

Almost surely, 2^45975321 is an apocalyptic number.

It is an amenable number.

45975321 is a deficient number, since it is larger than the sum of its proper divisors (33222759).

45975321 is a wasteful number, since it uses less digits than its factorization.

45975321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31765 (or 31762 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 45975321 is about 6780.5103790202. The cubic root of 45975321 is about 358.2406987997.

The spelling of 45975321 in words is "forty-five million, nine hundred seventy-five thousand, three hundred twenty-one".