157156769 has 32 divisors (see below), whose sum is σ = 208742400. Its totient is φ = 117070800.

The previous prime is 157156759. The next prime is 157156777. The reversal of 157156769 is 967651751.

It is not a de Polignac number, because 157156769 - 2²⁰ = 156108193 is a prime.

It is a super-2 number, since 2×157156769² = 49396500085038722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157156729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85874 + ... + 87684.

It is an arithmetic number, because the mean of its divisors is an integer number (6523200).

Almost surely, 2^157156769 is an apocalyptic number.

It is an amenable number.

157156769 is a deficient number, since it is larger than the sum of its proper divisors (51585631).

157156769 is a wasteful number, since it uses less digits than its factorization.

157156769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1852 counting only the distinct ones).

The product of its digits is 396900, while the sum is 47.

The square root of 157156769 is about 12536.2182894205. The cubic root of 157156769 is about 539.6485699227.

The spelling of 157156769 in words is "one hundred fifty-seven million, one hundred fifty-six thousand, seven hundred sixty-nine".