158771 has 2 divisors, whose sum is σ = 158772. Its totient is φ = 158770.

The previous prime is 158761. The next prime is 158777. The reversal of 158771 is 177851.

158771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158771 - 2¹⁰ = 157747 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (158777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79385 + 79386.

It is an arithmetic number, because the mean of its divisors is an integer number (79386).

2¹⁵⁸⁷⁷¹ is an apocalyptic number.

158771 is a deficient number, since it is larger than the sum of its proper divisors (1).

158771 is an equidigital number, since it uses as much as digits as its factorization.

158771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 29.

The square root of 158771 is about 398.4607885351. The cubic root of 158771 is about 54.1489941032.

It can be divided in two parts, 158 and 771, that added together give a palindrome (929).

The spelling of 158771 in words is "one hundred fifty-eight thousand, seven hundred seventy-one".