155286 has 12 divisors (see below), whose sum is σ = 336492. Its totient is φ = 51756.

The previous prime is 155269. The next prime is 155291. The reversal of 155286 is 682551.

It is a super-2 number, since 2×155286² = 48227483592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4296 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (28041).

2¹⁵⁵²⁸⁶ is an apocalyptic number.

155286 is an abundant number, since it is smaller than the sum of its proper divisors (181206).

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

155286 is a wasteful number, since it uses less digits than its factorization.

155286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635 (or 8632 counting only the distinct ones).

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

The square root of 155286 is about 394.0634466682. The cubic root of 155286 is about 53.7498720026.

It can be divided in two parts, 155 and 286, that added together give a square (441 = 21²).

The spelling of 155286 in words is "one hundred fifty-five thousand, two hundred eighty-six".