158838 has 16 divisors (see below), whose sum is σ = 331776. Its totient is φ = 50600.

The previous prime is 158803. The next prime is 158843. The reversal of 158838 is 838851.

It is a junction number, because it is equal to n+sod(n) for n = 158799 and 158808.

It is a congruent number.

It is an unprimeable number.

158838 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, 438 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (20736).

2¹⁵⁸⁸³⁸ is an apocalyptic number.

158838 is an abundant number, since it is smaller than the sum of its proper divisors (172938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158838 is a wasteful number, since it uses less digits than its factorization.

158838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179.

The product of its digits is 7680, while the sum is 33.

The square root of 158838 is about 398.5448531847. The cubic root of 158838 is about 54.1566098357.

The spelling of 158838 in words is "one hundred fifty-eight thousand, eight hundred thirty-eight".