155052 has 36 divisors (see below), whose sum is σ = 404040. Its totient is φ = 50112.

The previous prime is 155047. The next prime is 155069. The reversal of 155052 is 250551.

155052 is nontrivially palindromic in base 8.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×155052² = 48082245408, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2088 + ... + 2160.

2¹⁵⁵⁰⁵² is an apocalyptic number.

155052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202020).

155052 is an abundant number, since it is smaller than the sum of its proper divisors (248988).

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

155052 is a wasteful number, since it uses less digits than its factorization.

155052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 137 counting only the distinct ones).

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

The square root of 155052 is about 393.7664282287. The cubic root of 155052 is about 53.7228599238.

The spelling of 155052 in words is "one hundred fifty-five thousand, fifty-two".