45489210 has 32 divisors (see below), whose sum is σ = 117573120. Its totient is φ = 11197248.

The previous prime is 45489149. The next prime is 45489233. The reversal of 45489210 is 1298454.

45489210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 57930 + ... + 58709.

It is an arithmetic number, because the mean of its divisors is an integer number (3674160).

Almost surely, 2^45489210 is an apocalyptic number.

45489210 is an abundant number, since it is smaller than the sum of its proper divisors (72083910).

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

45489210 is a wasteful number, since it uses less digits than its factorization.

45489210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116662.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 45489210 is about 6744.5689261805. The cubic root of 45489210 is about 356.9736267189.

The spelling of 45489210 in words is "forty-five million, four hundred eighty-nine thousand, two hundred ten".