155130 has 16 divisors (see below), whose sum is σ = 372384. Its totient is φ = 41360.

The previous prime is 155119. The next prime is 155137. The reversal of 155130 is 31551.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155137) 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, 2556 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (23274).

2¹⁵⁵¹³⁰ is an apocalyptic number.

155130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155130 is an abundant number, since it is smaller than the sum of its proper divisors (217254).

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

155130 is a wasteful number, since it uses less digits than its factorization.

155130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 155130 is about 393.8654592624. The cubic root of 155130 is about 53.7318669679.

Adding to 155130 its reverse (31551), we get a palindrome (186681).

The spelling of 155130 in words is "one hundred fifty-five thousand, one hundred thirty".