180158 has 16 divisors (see below), whose sum is σ = 311040. Its totient is φ = 77400.

The previous prime is 180137. The next prime is 180161. The reversal of 180158 is 851081.

It is a Curzon number.

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 180158.

It is an unprimeable number.

180158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203 + ... + 633.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2¹⁸⁰¹⁵⁸ is an apocalyptic number.

180158 is a deficient number, since it is larger than the sum of its proper divisors (130882).

180158 is a wasteful number, since it uses less digits than its factorization.

180158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 180158 is about 424.4502326540. The cubic root of 180158 is about 56.4786773118.

The spelling of 180158 in words is "one hundred eighty thousand, one hundred fifty-eight".