45040975 has 24 divisors (see below), whose sum is σ = 64261760. Its totient is φ = 30676320.

The previous prime is 45040967. The next prime is 45040979. The reversal of 45040975 is 57904054.

It is not a de Polignac number, because 45040975 - 2³ = 45040967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45040975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45040979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27736 + ... + 29314.

Almost surely, 2^45040975 is an apocalyptic number.

45040975 is a deficient number, since it is larger than the sum of its proper divisors (19220785).

45040975 is a wasteful number, since it uses less digits than its factorization.

45040975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 45040975 is about 6711.2573337639. The cubic root of 45040975 is about 355.7972559969.

The spelling of 45040975 in words is "forty-five million, forty thousand, nine hundred seventy-five".