156834 has 12 divisors (see below), whose sum is σ = 339846. Its totient is φ = 52272.

The previous prime is 156833. The next prime is 156841. The reversal of 156834 is 438651.

It can be written as a sum of positive squares in only one way, i.e., 91809 + 65025 = 303^2 + 255^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 156798 and 156807.

It is not an unprimeable number, because it can be changed into a prime (156833) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4339 + ... + 4374.

2¹⁵⁶⁸³⁴ is an apocalyptic number.

156834 is an abundant number, since it is smaller than the sum of its proper divisors (183012).

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

156834 is a wasteful number, since it uses less digits than its factorization.

156834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721 (or 8718 counting only the distinct ones).

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

The square root of 156834 is about 396.0227266206. The cubic root of 156834 is about 53.9278872811.

It can be divided in two parts, 156 and 834, that added together give a triangular number (990 = T₄₄).

The spelling of 156834 in words is "one hundred fifty-six thousand, eight hundred thirty-four".