45645375 has 16 divisors (see below), whose sum is σ = 75954528. Its totient is φ = 24344000.

The previous prime is 45645329. The next prime is 45645389. The reversal of 45645375 is 57354654.

It is not a de Polignac number, because 45645375 - 2⁶ = 45645311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60486 + ... + 61235.

It is an arithmetic number, because the mean of its divisors is an integer number (4747158).

Almost surely, 2^45645375 is an apocalyptic number.

45645375 is a deficient number, since it is larger than the sum of its proper divisors (30309153).

45645375 is a wasteful number, since it uses less digits than its factorization.

45645375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121739 (or 121729 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The square root of 45645375 is about 6756.1360998725. The cubic root of 45645375 is about 357.3816583868.

The spelling of 45645375 in words is "forty-five million, six hundred forty-five thousand, three hundred seventy-five".