64575156 has 12 divisors (see below), whose sum is σ = 150675392. Its totient is φ = 21525048.

The previous prime is 64575151. The next prime is 64575209. The reversal of 64575156 is 65157546.

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 (64575151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2690620 + ... + 2690643.

Almost surely, 2^64575156 is an apocalyptic number.

It is an amenable number.

64575156 is an abundant number, since it is smaller than the sum of its proper divisors (86100236).

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

64575156 is a wasteful number, since it uses less digits than its factorization.

64575156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381270 (or 5381268 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 64575156 is about 8035.8668480756. The cubic root of 64575156 is about 401.1946700233.

The spelling of 64575156 in words is "sixty-four million, five hundred seventy-five thousand, one hundred fifty-six".