156256 has 24 divisors (see below), whose sum is σ = 325080. Its totient is φ = 73728.

The previous prime is 156253. The next prime is 156257. The reversal of 156256 is 652651.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 156256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480 + ... + 736.

It is an arithmetic number, because the mean of its divisors is an integer number (13545).

156256 is a Friedman number, since it can be written as 6+5^6*5*2*1, using all its digits and the basic arithmetic operations.

2¹⁵⁶²⁵⁶ is an apocalyptic number.

156256 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 156256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162540).

156256 is an abundant number, since it is smaller than the sum of its proper divisors (168824).

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

156256 is a wasteful number, since it uses less digits than its factorization.

156256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 278 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 156256 is about 395.2922969146. The cubic root of 156256 is about 53.8615566611.

The spelling of 156256 in words is "one hundred fifty-six thousand, two hundred fifty-six".