45578130 has 32 divisors (see below), whose sum is σ = 117802944. Its totient is φ = 11219136.

The previous prime is 45578089. The next prime is 45578147. The reversal of 45578130 is 3187554.

It is a junction number, because it is equal to n+sod(n) for n = 45578091 and 45578100.

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, 58044 + ... + 58823.

It is an arithmetic number, because the mean of its divisors is an integer number (3681342).

Almost surely, 2^45578130 is an apocalyptic number.

45578130 is an abundant number, since it is smaller than the sum of its proper divisors (72224814).

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

45578130 is a wasteful number, since it uses less digits than its factorization.

45578130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116890.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 45578130 is about 6751.1576785023. The cubic root of 45578130 is about 357.2060733050.

The spelling of 45578130 in words is "forty-five million, five hundred seventy-eight thousand, one hundred thirty".