45478132 has 24 divisors (see below), whose sum is σ = 91163520. Its totient is φ = 19446240.

The previous prime is 45478129. The next prime is 45478163. The reversal of 45478132 is 23187454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12657 + ... + 15847.

It is an arithmetic number, because the mean of its divisors is an integer number (3798480).

Almost surely, 2^45478132 is an apocalyptic number.

It is an amenable number.

45478132 is an abundant number, since it is smaller than the sum of its proper divisors (45685388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45478132 is a wasteful number, since it uses less digits than its factorization.

45478132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711 (or 3709 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 45478132 is about 6743.7476227985. The cubic root of 45478132 is about 356.9446464039.

The spelling of 45478132 in words is "forty-five million, four hundred seventy-eight thousand, one hundred thirty-two".