45478500 has 48 divisors (see below), whose sum is σ = 132437760. Its totient is φ = 12127200.

The previous prime is 45478481. The next prime is 45478507. The reversal of 45478500 is 587454.

It is not an unprimeable number, because it can be changed into a prime (45478507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13660 + ... + 16659.

It is an arithmetic number, because the mean of its divisors is an integer number (2759120).

Almost surely, 2^45478500 is an apocalyptic number.

It is an amenable number.

45478500 is an abundant number, since it is smaller than the sum of its proper divisors (86959260).

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

45478500 is a wasteful number, since it uses less digits than its factorization.

45478500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30341 (or 30329 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 45478500 is about 6743.7749072756. The cubic root of 45478500 is about 356.9456091764.

The spelling of 45478500 in words is "forty-five million, four hundred seventy-eight thousand, five hundred".