45478475 has 24 divisors (see below), whose sum is σ = 67257600. Its totient is φ = 29826720.

The previous prime is 45478427. The next prime is 45478481. The reversal of 45478475 is 57487454.

It is a de Polignac number, because none of the positive numbers 2^k-45478475 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1625 + ... + 9674.

It is an arithmetic number, because the mean of its divisors is an integer number (2802400).

Almost surely, 2^45478475 is an apocalyptic number.

45478475 is a deficient number, since it is larger than the sum of its proper divisors (21779125).

45478475 is a wasteful number, since it uses less digits than its factorization.

45478475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11339 (or 11334 counting only the distinct ones).

The product of its digits is 627200, while the sum is 44.

The square root of 45478475 is about 6743.7730537141. The cubic root of 45478475 is about 356.9455437708.

The spelling of 45478475 in words is "forty-five million, four hundred seventy-eight thousand, four hundred seventy-five".