45931830 has 32 divisors (see below), whose sum is σ = 125985024. Its totient is φ = 10498656.

The previous prime is 45931829. The next prime is 45931843. The reversal of 45931830 is 3813954.

It is a junction number, because it is equal to n+sod(n) for n = 45931791 and 45931800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109152 + ... + 109571.

It is an arithmetic number, because the mean of its divisors is an integer number (3937032).

Almost surely, 2^45931830 is an apocalyptic number.

45931830 is an abundant number, since it is smaller than the sum of its proper divisors (80053194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45931830 is a wasteful number, since it uses less digits than its factorization.

45931830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218740.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 45931830 is about 6777.3025607538. The cubic root of 45931830 is about 358.1277022234.

The spelling of 45931830 in words is "forty-five million, nine hundred thirty-one thousand, eight hundred thirty".