158798 has 4 divisors (see below), whose sum is σ = 238200. Its totient is φ = 79398.

The previous prime is 158791. The next prime is 158803. The reversal of 158798 is 897851.

158798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39698 + ... + 39701.

It is an arithmetic number, because the mean of its divisors is an integer number (59550).

2¹⁵⁸⁷⁹⁸ is an apocalyptic number.

158798 is a deficient number, since it is larger than the sum of its proper divisors (79402).

158798 is an equidigital number, since it uses as much as digits as its factorization.

158798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79401.

The product of its digits is 20160, while the sum is 38.

The square root of 158798 is about 398.4946674675. The cubic root of 158798 is about 54.1520633875.

The spelling of 158798 in words is "one hundred fifty-eight thousand, seven hundred ninety-eight".