158671155 has 32 divisors (see below), whose sum is σ = 258785280. Its totient is φ = 83000960.

The previous prime is 158671153. The next prime is 158671157. The reversal of 158671155 is 551176851.

It is an interprime number because it is at equal distance from previous prime (158671153) and next prime (158671157).

It is not a de Polignac number, because 158671155 - 2¹ = 158671153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158671153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407701 + ... + 408089.

It is an arithmetic number, because the mean of its divisors is an integer number (8087040).

Almost surely, 2^158671155 is an apocalyptic number.

158671155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158671155 is a deficient number, since it is larger than the sum of its proper divisors (100114125).

158671155 is a wasteful number, since it uses less digits than its factorization.

158671155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 42000, while the sum is 39.

The square root of 158671155 is about 12596.4739113769. The cubic root of 158671155 is about 541.3764098034.

The spelling of 158671155 in words is "one hundred fifty-eight million, six hundred seventy-one thousand, one hundred fifty-five".