45162780 has 48 divisors (see below), whose sum is σ = 136185504. Its totient is φ = 11116800.

The previous prime is 45162763. The next prime is 45162809. The reversal of 45162780 is 8726154.

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, 28171 + ... + 29730.

It is an arithmetic number, because the mean of its divisors is an integer number (2837198).

Almost surely, 2^45162780 is an apocalyptic number.

It is an amenable number.

45162780 is an abundant number, since it is smaller than the sum of its proper divisors (91022724).

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

45162780 is a wasteful number, since it uses less digits than its factorization.

45162780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57926 (or 57924 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 45162780 is about 6720.3258849553. The cubic root of 45162780 is about 356.1176966395.

The spelling of 45162780 in words is "forty-five million, one hundred sixty-two thousand, seven hundred eighty".