158971374 has 24 divisors (see below), whose sum is σ = 347852232. Its totient is φ = 52465200.

The previous prime is 158971367. The next prime is 158971399. The reversal of 158971374 is 473179851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41904 + ... + 45539.

It is an arithmetic number, because the mean of its divisors is an integer number (14493843).

Almost surely, 2^158971374 is an apocalyptic number.

158971374 is an abundant number, since it is smaller than the sum of its proper divisors (188880858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158971374 is a wasteful number, since it uses less digits than its factorization.

158971374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87552 (or 87549 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 158971374 is about 12608.3850670893. The cubic root of 158971374 is about 541.7176377228.

It can be divided in two parts, 15897 and 1374, that added together give a palindrome (17271).

The spelling of 158971374 in words is "one hundred fifty-eight million, nine hundred seventy-one thousand, three hundred seventy-four".