45683990 has 32 divisors (see below), whose sum is σ = 92806560. Its totient is φ = 16038400.

The previous prime is 45683951. The next prime is 45684013. The reversal of 45683990 is 9938654.

It is a Curzon number.

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, 3971 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (2900205).

Almost surely, 2^45683990 is an apocalyptic number.

45683990 is an abundant number, since it is smaller than the sum of its proper divisors (47122570).

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

45683990 is a wasteful number, since it uses less digits than its factorization.

45683990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14368.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 45683990 is about 6758.9932682316. The cubic root of 45683990 is about 357.4824090322.

It can be divided in two parts, 4568 and 3990, that added together give a palindrome (8558).

The spelling of 45683990 in words is "forty-five million, six hundred eighty-three thousand, nine hundred ninety".