171158 has 16 divisors (see below), whose sum is σ = 287280. Its totient is φ = 75936.

The previous prime is 171131. The next prime is 171161. The reversal of 171158 is 851171.

171158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641 + ... + 867.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2¹⁷¹¹⁵⁸ is an apocalyptic number.

171158 is a deficient number, since it is larger than the sum of its proper divisors (116122).

171158 is a wasteful number, since it uses less digits than its factorization.

171158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its digits is 280, while the sum is 23.

The square root of 171158 is about 413.7124605327. The cubic root of 171158 is about 55.5220808711.

The spelling of 171158 in words is "one hundred seventy-one thousand, one hundred fifty-eight".