158085 has 16 divisors (see below), whose sum is σ = 281280. Its totient is φ = 84240.

The previous prime is 158077. The next prime is 158113. The reversal of 158085 is 580851.

158085 is a `hidden beast` number, since 1 + 580 + 85 = 666.

It is not a de Polignac number, because 158085 - 2³ = 158077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158085.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451 + ... + 720.

It is an arithmetic number, because the mean of its divisors is an integer number (17580).

2¹⁵⁸⁰⁸⁵ is an apocalyptic number.

158085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158085 is a deficient number, since it is larger than the sum of its proper divisors (123195).

158085 is a wasteful number, since it uses less digits than its factorization.

158085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 158085 is about 397.5990442644. The cubic root of 158085 is about 54.0708945389.

It can be divided in two parts, 15 and 8085, that added together give a square (8100 = 90²).

The spelling of 158085 in words is "one hundred fifty-eight thousand, eighty-five".