45173975 has 48 divisors (see below), whose sum is σ = 72185856. Its totient is φ = 27216000.

The previous prime is 45173957. The next prime is 45173987. The reversal of 45173975 is 57937154.

It is not a de Polignac number, because 45173975 - 2⁶ = 45173911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59297 + ... + 60053.

It is an arithmetic number, because the mean of its divisors is an integer number (1503872).

Almost surely, 2^45173975 is an apocalyptic number.

45173975 is a deficient number, since it is larger than the sum of its proper divisors (27011881).

45173975 is a wasteful number, since it uses less digits than its factorization.

45173975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 811 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 45173975 is about 6721.1587542625. The cubic root of 45173975 is about 356.1471191584.

The spelling of 45173975 in words is "forty-five million, one hundred seventy-three thousand, nine hundred seventy-five".