45188875 has 8 divisors (see below), whose sum is σ = 56395872. Its totient is φ = 36151000.

The previous prime is 45188863. The next prime is 45188879. The reversal of 45188875 is 57888154.

It is not a de Polignac number, because 45188875 - 2²¹ = 43091723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45188879) 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, 180631 + ... + 180880.

It is an arithmetic number, because the mean of its divisors is an integer number (7049484).

Almost surely, 2^45188875 is an apocalyptic number.

45188875 is a deficient number, since it is larger than the sum of its proper divisors (11206997).

45188875 is an equidigital number, since it uses as much as digits as its factorization.

45188875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361526 (or 361516 counting only the distinct ones).

The product of its digits is 358400, while the sum is 46.

The square root of 45188875 is about 6722.2671026968. The cubic root of 45188875 is about 356.1862715594.

The spelling of 45188875 in words is "forty-five million, one hundred eighty-eight thousand, eight hundred seventy-five".