64157485 has 16 divisors (see below), whose sum is σ = 89481600. Its totient is φ = 43246656.

The previous prime is 64157477. The next prime is 64157531. The reversal of 64157485 is 58475146.

It is a cyclic number.

It is not a de Polignac number, because 64157485 - 2³ = 64157477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13470 + ... + 17599.

It is an arithmetic number, because the mean of its divisors is an integer number (5592600).

Almost surely, 2^64157485 is an apocalyptic number.

It is an amenable number.

64157485 is a deficient number, since it is larger than the sum of its proper divisors (25324115).

64157485 is a wasteful number, since it uses less digits than its factorization.

64157485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31140.

The product of its digits is 134400, while the sum is 40.

The square root of 64157485 is about 8009.8367648785. The cubic root of 64157485 is about 400.3278250035.

The spelling of 64157485 in words is "sixty-four million, one hundred fifty-seven thousand, four hundred eighty-five".