45365121 has 24 divisors (see below), whose sum is σ = 68001024. Its totient is φ = 29112480.

The previous prime is 45365107. The next prime is 45365123. The reversal of 45365121 is 12156354.

45365121 is a `hidden beast` number, since 4 + 5 + 3 + 651 + 2 + 1 = 666.

It is not a de Polignac number, because 45365121 - 2²² = 41170817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45365123) 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, 76990 + ... + 77576.

It is an arithmetic number, because the mean of its divisors is an integer number (2833376).

Almost surely, 2^45365121 is an apocalyptic number.

It is an amenable number.

45365121 is a deficient number, since it is larger than the sum of its proper divisors (22635903).

45365121 is a wasteful number, since it uses less digits than its factorization.

45365121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 898 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 45365121 is about 6735.3634645801. The cubic root of 45365121 is about 356.6487376591.

The spelling of 45365121 in words is "forty-five million, three hundred sixty-five thousand, one hundred twenty-one".