158381171 has 8 divisors (see below), whose sum is σ = 170714544. Its totient is φ = 146069280.

The previous prime is 158381161. The next prime is 158381173. The reversal of 158381171 is 171183851.

158381171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158381171 - 2²² = 154186867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158381173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12065 + ... + 21501.

It is an arithmetic number, because the mean of its divisors is an integer number (21339318).

Almost surely, 2^158381171 is an apocalyptic number.

158381171 is a deficient number, since it is larger than the sum of its proper divisors (12333373).

158381171 is a wasteful number, since it uses less digits than its factorization.

158381171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10741.

The product of its digits is 6720, while the sum is 35.

The square root of 158381171 is about 12584.9581246820. The cubic root of 158381171 is about 541.0464060470.

The spelling of 158381171 in words is "one hundred fifty-eight million, three hundred eighty-one thousand, one hundred seventy-one".