45639875 has 8 divisors (see below), whose sum is σ = 56958720. Its totient is φ = 36511800.

The previous prime is 45639871. The next prime is 45639877. The reversal of 45639875 is 57893654.

It is not a de Polignac number, because 45639875 - 2² = 45639871 is a prime.

It is a super-3 number, since 3×45639875³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45639871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182435 + ... + 182684.

It is an arithmetic number, because the mean of its divisors is an integer number (7119840).

Almost surely, 2^45639875 is an apocalyptic number.

45639875 is a deficient number, since it is larger than the sum of its proper divisors (11318845).

45639875 is an equidigital number, since it uses as much as digits as its factorization.

45639875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365134 (or 365124 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 45639875 is about 6755.7290502210. The cubic root of 45639875 is about 357.3673036789.

The spelling of 45639875 in words is "forty-five million, six hundred thirty-nine thousand, eight hundred seventy-five".