286155 has 12 divisors (see below), whose sum is σ = 496080. Its totient is φ = 152592.

The previous prime is 286129. The next prime is 286163. The reversal of 286155 is 551682.

It is not a de Polignac number, because 286155 - 2⁹ = 285643 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3135 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (41340).

2²⁸⁶¹⁵⁵ is an apocalyptic number.

286155 is a deficient number, since it is larger than the sum of its proper divisors (209925).

286155 is a wasteful number, since it uses less digits than its factorization.

286155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370 (or 6367 counting only the distinct ones).

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

The square root of 286155 is about 534.9345754389. The cubic root of 286155 is about 65.8972229559.

It can be divided in two parts, 2861 and 55, that added together give a square (2916 = 54²).

The spelling of 286155 in words is "two hundred eighty-six thousand, one hundred fifty-five".