45468531 has 6 divisors (see below), whose sum is σ = 65676780. Its totient is φ = 30312348.

The previous prime is 45468517. The next prime is 45468569. The reversal of 45468531 is 13586454.

It is a happy number.

45468531 is a `hidden beast` number, since 4 + 546 + 85 + 31 = 666.

It is not a de Polignac number, because 45468531 - 2⁵ = 45468499 is a prime.

It is a super-2 number, since 2×45468531² = 4134774622595922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45468331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2526021 + ... + 2526038.

It is an arithmetic number, because the mean of its divisors is an integer number (10946130).

Almost surely, 2^45468531 is an apocalyptic number.

45468531 is a deficient number, since it is larger than the sum of its proper divisors (20208249).

45468531 is a wasteful number, since it uses less digits than its factorization.

45468531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052065 (or 5052062 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 45468531 is about 6743.0357406735. The cubic root of 45468531 is about 356.9195261495.

The spelling of 45468531 in words is "forty-five million, four hundred sixty-eight thousand, five hundred thirty-one".