158099 has 8 divisors (see below), whose sum is σ = 170640. Its totient is φ = 146016.

The previous prime is 158077. The next prime is 158113. The reversal of 158099 is 990851.

158099 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158099 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (21330).

2¹⁵⁸⁰⁹⁹ is an apocalyptic number.

158099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

158099 is a deficient number, since it is larger than the sum of its proper divisors (12541).

158099 is a wasteful number, since it uses less digits than its factorization.

158099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 158099 is about 397.6166495508. The cubic root of 158099 is about 54.0724906637.

The spelling of 158099 in words is "one hundred fifty-eight thousand, ninety-nine".