64031345 has 16 divisors (see below), whose sum is σ = 88058880. Its totient is φ = 43785024.

The previous prime is 64031329. The next prime is 64031353. The reversal of 64031345 is 54313046.

It is a cyclic number.

It is not a de Polignac number, because 64031345 - 2⁴ = 64031329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11264 + ... + 15966.

It is an arithmetic number, because the mean of its divisors is an integer number (5503680).

Almost surely, 2^64031345 is an apocalyptic number.

It is an amenable number.

64031345 is a deficient number, since it is larger than the sum of its proper divisors (24027535).

64031345 is a wasteful number, since it uses less digits than its factorization.

64031345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 64031345 is about 8001.9588226884. The cubic root of 64031345 is about 400.0652914253.

The spelling of 64031345 in words is "sixty-four million, thirty-one thousand, three hundred forty-five".