155502 has 24 divisors (see below), whose sum is σ = 345384. Its totient is φ = 50544.

The previous prime is 155501. The next prime is 155509. The reversal of 155502 is 205551.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (14391).

2¹⁵⁵⁵⁰² is an apocalyptic number.

155502 is an abundant number, since it is smaller than the sum of its proper divisors (189882).

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

155502 is a wasteful number, since it uses less digits than its factorization.

155502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 155502 is about 394.3374189701. The cubic root of 155502 is about 53.7747821542.

The spelling of 155502 in words is "one hundred fifty-five thousand, five hundred two".