155150 has 24 divisors (see below), whose sum is σ = 301320. Its totient is φ = 59360.

The previous prime is 155137. The next prime is 155153. The reversal of 155150 is 51551.

155150 = 3² + 4² + ... + 77².

155150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155153) 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, 1397 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (12555).

2¹⁵⁵¹⁵⁰ is an apocalyptic number.

155150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155150 is a deficient number, since it is larger than the sum of its proper divisors (146170).

155150 is a wasteful number, since it uses less digits than its factorization.

155150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 155150 is about 393.8908478246. The cubic root of 155150 is about 53.7341759800.

The spelling of 155150 in words is "one hundred fifty-five thousand, one hundred fifty".