155372 has 24 divisors (see below), whose sum is σ = 322560. Its totient is φ = 64080.

The previous prime is 155371. The next prime is 155377. The reversal of 155372 is 273551.

It is not an unprimeable number, because it can be changed into a prime (155371) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 779 + ... + 957.

It is an arithmetic number, because the mean of its divisors is an integer number (13440).

2¹⁵⁵³⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161280).

155372 is an abundant number, since it is smaller than the sum of its proper divisors (167188).

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

155372 is a wasteful number, since it uses less digits than its factorization.

155372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its digits is 1050, while the sum is 23.

The square root of 155372 is about 394.1725510484. The cubic root of 155372 is about 53.7597926993.

The spelling of 155372 in words is "one hundred fifty-five thousand, three hundred seventy-two".