45013664 has 12 divisors (see below), whose sum is σ = 88620714. Its totient is φ = 22506816.

The previous prime is 45013649. The next prime is 45013687. The reversal of 45013664 is 46631054.

It is a happy number.

45013664 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 only one way, i.e., 22848400 + 22165264 = 4780^2 + 4708^2 .

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 as a sum of consecutive naturals, namely, 703307 + ... + 703370.

Almost surely, 2^45013664 is an apocalyptic number.

It is an amenable number.

45013664 is a deficient number, since it is larger than the sum of its proper divisors (43607050).

45013664 is a wasteful number, since it uses less digits than its factorization.

45013664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406687 (or 1406679 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 45013664 is about 6709.2223096272. Note that the first 3 decimals coincide. The cubic root of 45013664 is about 355.7253278355.

The spelling of 45013664 in words is "forty-five million, thirteen thousand, six hundred sixty-four".