45990660 has 24 divisors (see below), whose sum is σ = 128774016. Its totient is φ = 12264160.

The previous prime is 45990617. The next prime is 45990671. The reversal of 45990660 is 6609954.

45990660 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

45990660 is strictly pandigital in base 9.

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, 383196 + ... + 383315.

It is an arithmetic number, because the mean of its divisors is an integer number (5365584).

Almost surely, 2^45990660 is an apocalyptic number.

It is an amenable number.

45990660 is an abundant number, since it is smaller than the sum of its proper divisors (82783356).

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

45990660 is a wasteful number, since it uses less digits than its factorization.

45990660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766523 (or 766521 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 45990660 is about 6781.6413942349. The cubic root of 45990660 is about 358.2805349767.

It can be divided in two parts, 459 and 90660, that added together give a palindrome (91119).

The spelling of 45990660 in words is "forty-five million, nine hundred ninety thousand, six hundred sixty".