162855 has 48 divisors (see below), whose sum is σ = 359424. Its totient is φ = 66240.

The previous prime is 162853. The next prime is 162859. The reversal of 162855 is 558261.

It is not a de Polignac number, because 162855 - 2¹ = 162853 is a prime.

162855 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3442 + ... + 3488.

It is an arithmetic number, because the mean of its divisors is an integer number (7488).

2¹⁶²⁸⁵⁵ is an apocalyptic number.

162855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

162855 is an abundant number, since it is smaller than the sum of its proper divisors (196569).

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

162855 is a wasteful number, since it uses less digits than its factorization.

162855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 73 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 162855 is about 403.5529705008. The cubic root of 162855 is about 54.6093531455.

It can be divided in two parts, 16285 and 5, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 162855 in words is "one hundred sixty-two thousand, eight hundred fifty-five".