155104 has 24 divisors (see below), whose sum is σ = 316008. Its totient is φ = 74880.

The previous prime is 155087. The next prime is 155119. The reversal of 155104 is 401551.

It is a happy number.

155104 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 (16).

It is an Ulam number.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

155104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (13167).

2¹⁵⁵¹⁰⁴ 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 155104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158004).

155104 is an abundant number, since it is smaller than the sum of its proper divisors (160904).

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

155104 is a wasteful number, since it uses less digits than its factorization.

155104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 155104 is about 393.8324516847. The cubic root of 155104 is about 53.7288649554.

Adding to 155104 its reverse (401551), we get a palindrome (556655).

The spelling of 155104 in words is "one hundred fifty-five thousand, one hundred four".