158271115 has 4 divisors (see below), whose sum is σ = 189925344. Its totient is φ = 126616888.

The previous prime is 158271109. The next prime is 158271131. The reversal of 158271115 is 511172851.

158271115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158271115 - 2²⁷ = 24053387 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15827107 + ... + 15827116.

It is an arithmetic number, because the mean of its divisors is an integer number (47481336).

Almost surely, 2^158271115 is an apocalyptic number.

158271115 is a deficient number, since it is larger than the sum of its proper divisors (31654229).

158271115 is an equidigital number, since it uses as much as digits as its factorization.

158271115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31654228.

The product of its digits is 2800, while the sum is 31.

The square root of 158271115 is about 12580.5848433211. The cubic root of 158271115 is about 540.9210561279.

The spelling of 158271115 in words is "one hundred fifty-eight million, two hundred seventy-one thousand, one hundred fifteen".