64157522 has 16 divisors (see below), whose sum is σ = 113061312. Its totient is φ = 26919120.

The previous prime is 64157477. The next prime is 64157531. The reversal of 64157522 is 22575146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111878 + ... + 112449.

It is an arithmetic number, because the mean of its divisors is an integer number (7066332).

Almost surely, 2^64157522 is an apocalyptic number.

64157522 is a deficient number, since it is larger than the sum of its proper divisors (48903790).

64157522 is a wasteful number, since it uses less digits than its factorization.

64157522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224353.

The product of its digits is 16800, while the sum is 32.

The square root of 64157522 is about 8009.8390745383. The cubic root of 64157522 is about 400.3279019606.

The spelling of 64157522 in words is "sixty-four million, one hundred fifty-seven thousand, five hundred twenty-two".