156843 has 16 divisors (see below), whose sum is σ = 240160. Its totient is φ = 101088.

The previous prime is 156841. The next prime is 156887. The reversal of 156843 is 348651.

156843 is nontrivially palindromic in base 15.

156843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156843 - 2¹ = 156841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

156843 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (156841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921 + ... + 1077.

It is an arithmetic number, because the mean of its divisors is an integer number (15010).

2¹⁵⁶⁸⁴³ is an apocalyptic number.

156843 is a deficient number, since it is larger than the sum of its proper divisors (83317).

156843 is a wasteful number, since it uses less digits than its factorization.

156843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 156843 is about 396.0340894418. The cubic root of 156843 is about 53.9289188213.

Subtracting from 156843 its sum of digits (27), we obtain a square (156816 = 396²).

It can be divided in two parts, 156 and 843, that added together give a palindrome (999).

The spelling of 156843 in words is "one hundred fifty-six thousand, eight hundred forty-three".