45211830 has 32 divisors (see below), whose sum is σ = 114220800. Its totient is φ = 11421792.

The previous prime is 45211787. The next prime is 45211867. The reversal of 45211830 is 3811254.

45211830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 45211830.

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, 39090 + ... + 40229.

It is an arithmetic number, because the mean of its divisors is an integer number (3569400).

Almost surely, 2^45211830 is an apocalyptic number.

45211830 is an abundant number, since it is smaller than the sum of its proper divisors (69008970).

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

45211830 is a wasteful number, since it uses less digits than its factorization.

45211830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79348.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 45211830 is about 6723.9742712179. The cubic root of 45211830 is about 356.2465730665.

The spelling of 45211830 in words is "forty-five million, two hundred eleven thousand, eight hundred thirty".