45838590 has 32 divisors (see below), whose sum is σ = 125729280. Its totient is φ = 10477344.

The previous prime is 45838577. The next prime is 45838591. The reversal of 45838590 is 9583854.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45838591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108930 + ... + 109349.

It is an arithmetic number, because the mean of its divisors is an integer number (3929040).

Almost surely, 2^45838590 is an apocalyptic number.

45838590 is an abundant number, since it is smaller than the sum of its proper divisors (79890690).

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

45838590 is a wasteful number, since it uses less digits than its factorization.

45838590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218296.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 45838590 is about 6770.4202232949. The cubic root of 45838590 is about 357.8852091838.

The spelling of 45838590 in words is "forty-five million, eight hundred thirty-eight thousand, five hundred ninety".