45136668 has 12 divisors (see below), whose sum is σ = 105318920. Its totient is φ = 15045552.

The previous prime is 45136657. The next prime is 45136669. The reversal of 45136668 is 86663154.

45136668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45136669) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1880683 + ... + 1880706.

Almost surely, 2^45136668 is an apocalyptic number.

It is an amenable number.

45136668 is an abundant number, since it is smaller than the sum of its proper divisors (60182252).

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

45136668 is a wasteful number, since it uses less digits than its factorization.

45136668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761396 (or 3761394 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 45136668 is about 6718.3828411307. The cubic root of 45136668 is about 356.0490505994.

The spelling of 45136668 in words is "forty-five million, one hundred thirty-six thousand, six hundred sixty-eight".