157564814 has 32 divisors (see below), whose sum is σ = 265503744. Its totient is φ = 69511680.

The previous prime is 157564807. The next prime is 157564819. The reversal of 157564814 is 418465751.

It is a super-2 number, since 2×157564814² = 49653341221709192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157564819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182147 + ... + 183009.

It is an arithmetic number, because the mean of its divisors is an integer number (8296992).

Almost surely, 2^157564814 is an apocalyptic number.

157564814 is a deficient number, since it is larger than the sum of its proper divisors (107938930).

157564814 is a wasteful number, since it uses less digits than its factorization.

157564814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its digits is 134400, while the sum is 41.

The square root of 157564814 is about 12552.4823839749. The cubic root of 157564814 is about 540.1152177558.

The spelling of 157564814 in words is "one hundred fifty-seven million, five hundred sixty-four thousand, eight hundred fourteen".