45379131 has 16 divisors (see below), whose sum is σ = 71019264. Its totient is φ = 25229664.

The previous prime is 45379121. The next prime is 45379157. The reversal of 45379131 is 13197354.

It is not a de Polignac number, because 45379131 - 2⁵ = 45379099 is a prime.

It is a super-2 number, since 2×45379131² = 4118531060630322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45379092 and 45379101.

It is not an unprimeable number, because it can be changed into a prime (45379121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28425 + ... + 29978.

It is an arithmetic number, because the mean of its divisors is an integer number (4438704).

Almost surely, 2^45379131 is an apocalyptic number.

45379131 is a deficient number, since it is larger than the sum of its proper divisors (25640133).

45379131 is a wasteful number, since it uses less digits than its factorization.

45379131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58450.

The product of its digits is 11340, while the sum is 33.

The square root of 45379131 is about 6736.4034172546. The cubic root of 45379131 is about 356.6854482011.

The spelling of 45379131 in words is "forty-five million, three hundred seventy-nine thousand, one hundred thirty-one".