45510990 has 32 divisors (see below), whose sum is σ = 124830720. Its totient is φ = 10402464.

The previous prime is 45510973. The next prime is 45510991. The reversal of 45510990 is 9901554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45510991) 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, 108150 + ... + 108569.

It is an arithmetic number, because the mean of its divisors is an integer number (3900960).

Almost surely, 2^45510990 is an apocalyptic number.

45510990 is an abundant number, since it is smaller than the sum of its proper divisors (79319730).

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

45510990 is a wasteful number, since it uses less digits than its factorization.

45510990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216736.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 45510990 is about 6746.1833654297. The cubic root of 45510990 is about 357.0305900080.

The spelling of 45510990 in words is "forty-five million, five hundred ten thousand, nine hundred ninety".