45239190 has 32 divisors (see below), whose sum is σ = 114289920. Its totient is φ = 11428704.

The previous prime is 45239189. The next prime is 45239219. The reversal of 45239190 is 9193254.

45239190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45239190² = 4093168623712200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39114 + ... + 40253.

It is an arithmetic number, because the mean of its divisors is an integer number (3571560).

Almost surely, 2^45239190 is an apocalyptic number.

45239190 is an abundant number, since it is smaller than the sum of its proper divisors (69050730).

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

45239190 is a wasteful number, since it uses less digits than its factorization.

45239190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79396.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 45239190 is about 6726.0084745709. The cubic root of 45239190 is about 356.3184196074.

The spelling of 45239190 in words is "forty-five million, two hundred thirty-nine thousand, one hundred ninety".