157741971 has 16 divisors (see below), whose sum is σ = 222330240. Its totient is φ = 99204480.

The previous prime is 157741967. The next prime is 157741993. The reversal of 157741971 is 179147751.

It is not a de Polignac number, because 157741971 - 2² = 157741967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157741921) 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, 7996 + ... + 19478.

It is an arithmetic number, because the mean of its divisors is an integer number (13895640).

Almost surely, 2^157741971 is an apocalyptic number.

157741971 is a deficient number, since it is larger than the sum of its proper divisors (64588269).

157741971 is a wasteful number, since it uses less digits than its factorization.

157741971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11746.

The product of its digits is 61740, while the sum is 42.

The square root of 157741971 is about 12559.5370535701. The cubic root of 157741971 is about 540.3175669787.

The spelling of 157741971 in words is "one hundred fifty-seven million, seven hundred forty-one thousand, nine hundred seventy-one".