158256 has 60 divisors (see below), whose sum is σ = 509392. Its totient is φ = 44928.

The previous prime is 158243. The next prime is 158261. The reversal of 158256 is 652851.

It is an Ulam number.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is an unprimeable number.

158256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 930 + ... + 1086.

2¹⁵⁸²⁵⁶ is an apocalyptic number.

158256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254696).

158256 is an abundant number, since it is smaller than the sum of its proper divisors (351136).

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

158256 is a wasteful number, since it uses less digits than its factorization.

158256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 169 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 158256 is about 397.8140269020. The cubic root of 158256 is about 54.0903836136.

It can be divided in two parts, 158 and 256, that added together give a palindrome (414).

The spelling of 158256 in words is "one hundred fifty-eight thousand, two hundred fifty-six".