64430156 has 12 divisors (see below), whose sum is σ = 128860368. Its totient is φ = 27612912.

The previous prime is 64430137. The next prime is 64430167. The reversal of 64430156 is 65103446.

It is a happy number.

64430156 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150511 + ... + 1150566.

It is an arithmetic number, because the mean of its divisors is an integer number (10738364).

Almost surely, 2^64430156 is an apocalyptic number.

It is an amenable number.

64430156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64430156 is a wasteful number, since it uses less digits than its factorization.

64430156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301088 (or 2301086 counting only the distinct ones).

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

The square root of 64430156 is about 8026.8397268165. The cubic root of 64430156 is about 400.8941580474.

The spelling of 64430156 in words is "sixty-four million, four hundred thirty thousand, one hundred fifty-six".