155304 has 32 divisors (see below), whose sum is σ = 432000. Its totient is φ = 51696.

The previous prime is 155303. The next prime is 155317. The reversal of 155304 is 403551.

155304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (155303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 575.

It is an arithmetic number, because the mean of its divisors is an integer number (13500).

2¹⁵⁵³⁰⁴ is an apocalyptic number.

It is an amenable number.

155304 is an abundant number, since it is smaller than the sum of its proper divisors (276696).

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

155304 is a wasteful number, since it uses less digits than its factorization.

155304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 155304 is about 394.0862849682. The cubic root of 155304 is about 53.7519487305.

Adding to 155304 its reverse (403551), we get a palindrome (558855).

The spelling of 155304 in words is "one hundred fifty-five thousand, three hundred four".