155284 has 6 divisors (see below), whose sum is σ = 271754. Its totient is φ = 77640.

The previous prime is 155269. The next prime is 155291. The reversal of 155284 is 482551.

155284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 138384 + 16900 = 372^2 + 130^2 .

It is a super-2 number, since 2×155284² = 48226241312, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19407 + ... + 19414.

2¹⁵⁵²⁸⁴ is an apocalyptic number.

It is an amenable number.

155284 is a deficient number, since it is larger than the sum of its proper divisors (116470).

155284 is a wasteful number, since it uses less digits than its factorization.

155284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38825 (or 38823 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 155284 is about 394.0609089976. The cubic root of 155284 is about 53.7496412451.

The spelling of 155284 in words is "one hundred fifty-five thousand, two hundred eighty-four".