64345256 has 16 divisors (see below), whose sum is σ = 123215040. Its totient is φ = 31487920.

The previous prime is 64345249. The next prime is 64345261. The reversal of 64345256 is 65254346.

It is a happy number.

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, 85190 + ... + 85941.

It is an arithmetic number, because the mean of its divisors is an integer number (7700940).

Almost surely, 2^64345256 is an apocalyptic number.

It is an amenable number.

64345256 is a deficient number, since it is larger than the sum of its proper divisors (58869784).

64345256 is a wasteful number, since it uses less digits than its factorization.

64345256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171184 (or 171180 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 64345256 is about 8021.5494762546. The cubic root of 64345256 is about 400.7179937746.

The spelling of 64345256 in words is "sixty-four million, three hundred forty-five thousand, two hundred fifty-six".