82155 has 8 divisors (see below), whose sum is σ = 131472. Its totient is φ = 43808.

The previous prime is 82153. The next prime is 82163. The reversal of 82155 is 55128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82155 - 2¹ = 82153 is a prime.

82155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (82153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2724 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (16434).

2⁸²¹⁵⁵ is an apocalyptic number.

82155 is a deficient number, since it is larger than the sum of its proper divisors (49317).

82155 is a wasteful number, since it uses less digits than its factorization.

82155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485.

The product of its digits is 400, while the sum is 21.

The square root of 82155 is about 286.6269352311. The cubic root of 82155 is about 43.4721713935.

The spelling of 82155 in words is "eighty-two thousand, one hundred fifty-five".