45132878 has 32 divisors (see below), whose sum is σ = 79847424. Its totient is φ = 18732672.

The previous prime is 45132851. The next prime is 45132911. The reversal of 45132878 is 87823154.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74051 + ... + 74657.

It is an arithmetic number, because the mean of its divisors is an integer number (2495232).

Almost surely, 2^45132878 is an apocalyptic number.

45132878 is a deficient number, since it is larger than the sum of its proper divisors (34714546).

45132878 is a wasteful number, since it uses less digits than its factorization.

45132878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its digits is 53760, while the sum is 38.

The square root of 45132878 is about 6718.1007732841. The cubic root of 45132878 is about 356.0390848389.

The spelling of 45132878 in words is "forty-five million, one hundred thirty-two thousand, eight hundred seventy-eight".