45478130 has 24 divisors (see below), whose sum is σ = 85584492. Its totient is φ = 17398304.

The previous prime is 45478129. The next prime is 45478163. The reversal of 45478130 is 3187454.

It can be written as a sum of positive squares in 2 ways, for example, as 45414121 + 64009 = 6739^2 + 253^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 992 + ... + 9588.

Almost surely, 2^45478130 is an apocalyptic number.

45478130 is a deficient number, since it is larger than the sum of its proper divisors (40106362).

45478130 is a wasteful number, since it uses less digits than its factorization.

45478130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8650 (or 8627 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 45478130 is about 6743.7474745130. The cubic root of 45478130 is about 356.9446411715.

The spelling of 45478130 in words is "forty-five million, four hundred seventy-eight thousand, one hundred thirty".