82156 has 24 divisors (see below), whose sum is σ = 161280. Its totient is φ = 36432.

The previous prime is 82153. The next prime is 82163. The reversal of 82156 is 65128.

82156 = T₃ + T₄ + ... + T₇₈.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82153) 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 7 ways as a sum of consecutive naturals, for example, 1725 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (6720).

2⁸²¹⁵⁶ is an apocalyptic number.

It is an amenable number.

82156 is a deficient number, since it is larger than the sum of its proper divisors (79124).

82156 is a wasteful number, since it uses less digits than its factorization.

82156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 91 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 82156 is about 286.6286796537. The cubic root of 82156 is about 43.4723477756.

The spelling of 82156 in words is "eighty-two thousand, one hundred fifty-six".