45064490 has 16 divisors (see below), whose sum is σ = 81219240. Its totient is φ = 18002880.

The previous prime is 45064477. The next prime is 45064507. The reversal of 45064490 is 9446054.

It is a happy number.

45064490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28015849 + 17048641 = 5293^2 + 4129^2 .

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 7 ways as a sum of consecutive naturals, for example, 7016 + ... + 11804.

Almost surely, 2^45064490 is an apocalyptic number.

45064490 is a deficient number, since it is larger than the sum of its proper divisors (36154750).

45064490 is a wasteful number, since it uses less digits than its factorization.

45064490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 45064490 is about 6713.0090123580. The cubic root of 45064490 is about 355.8591634555.

It can be divided in two parts, 45064 and 490, that added together give a palindrome (45554).

The spelling of 45064490 in words is "forty-five million, sixty-four thousand, four hundred ninety".