158918 has 8 divisors (see below), whose sum is σ = 240240. Its totient is φ = 78840.

The previous prime is 158909. The next prime is 158923. The reversal of 158918 is 819851.

It is a happy number.

158918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 158918.

It is an unprimeable number.

158918 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 3 ways as a sum of consecutive naturals, for example, 143 + ... + 581.

It is an arithmetic number, because the mean of its divisors is an integer number (30030).

2¹⁵⁸⁹¹⁸ is an apocalyptic number.

158918 is a deficient number, since it is larger than the sum of its proper divisors (81322).

158918 is a wasteful number, since it uses less digits than its factorization.

158918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622.

The product of its digits is 2880, while the sum is 32.

The square root of 158918 is about 398.6452056654. The cubic root of 158918 is about 54.1657004430.

The spelling of 158918 in words is "one hundred fifty-eight thousand, nine hundred eighteen".