45749190 has 32 divisors (see below), whose sum is σ = 111663360. Its totient is φ = 11992544.

The previous prime is 45749183. The next prime is 45749203. The reversal of 45749190 is 9194754.

45749190 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 2×45749190² = 4185976771312200, 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, 11154 + ... + 14693.

It is an arithmetic number, because the mean of its divisors is an integer number (3489480).

Almost surely, 2^45749190 is an apocalyptic number.

45749190 is an abundant number, since it is smaller than the sum of its proper divisors (65914170).

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

45749190 is a wasteful number, since it uses less digits than its factorization.

45749190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25916.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 45749190 is about 6763.8147520464. The cubic root of 45749190 is about 357.6523939917.

The spelling of 45749190 in words is "forty-five million, seven hundred forty-nine thousand, one hundred ninety".