45480180 has 24 divisors (see below), whose sum is σ = 127344672. Its totient is φ = 12128032.

The previous prime is 45480163. The next prime is 45480191. The reversal of 45480180 is 8108454.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 378942 + ... + 379061.

It is an arithmetic number, because the mean of its divisors is an integer number (5306028).

Almost surely, 2^45480180 is an apocalyptic number.

It is an amenable number.

45480180 is an abundant number, since it is smaller than the sum of its proper divisors (81864492).

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

45480180 is a wasteful number, since it uses less digits than its factorization.

45480180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758015 (or 758013 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 45480180 is about 6743.8994654428. The cubic root of 45480180 is about 356.9500043759.

The spelling of 45480180 in words is "forty-five million, four hundred eighty thousand, one hundred eighty".