157161429 has 6 divisors (see below), whose sum is σ = 227010966. Its totient is φ = 104774280.

The previous prime is 157161421. The next prime is 157161443. The reversal of 157161429 is 924161751.

157161429 is a `hidden beast` number, since 1 + 571 + 61 + 4 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100460529 + 56700900 = 10023^2 + 7530^2 .

It is not a de Polignac number, because 157161429 - 2³ = 157161421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 157161393 and 157161402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157161421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8731182 + ... + 8731199.

It is an arithmetic number, because the mean of its divisors is an integer number (37835161).

Almost surely, 2^157161429 is an apocalyptic number.

It is an amenable number.

157161429 is a deficient number, since it is larger than the sum of its proper divisors (69849537).

157161429 is a wasteful number, since it uses less digits than its factorization.

157161429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462387 (or 17462384 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 157161429 is about 12536.4041495159. The cubic root of 157161429 is about 539.6539037421.

The spelling of 157161429 in words is "one hundred fifty-seven million, one hundred sixty-one thousand, four hundred twenty-nine".