155130525 has 96 divisors (see below), whose sum is σ = 329443200. Its totient is φ = 70732800.

The previous prime is 155130517. The next prime is 155130539. The reversal of 155130525 is 525031551.

155130525 is a `hidden beast` number, since 1 + 5 + 5 + 130 + 525 = 666.

It is not a de Polignac number, because 155130525 - 2³ = 155130517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 125611 + ... + 126839.

It is an arithmetic number, because the mean of its divisors is an integer number (3431700).

Almost surely, 2^155130525 is an apocalyptic number.

155130525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155130525 is an abundant number, since it is smaller than the sum of its proper divisors (174312675).

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

155130525 is a wasteful number, since it uses less digits than its factorization.

155130525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 155130525 is about 12455.1405050284. The cubic root of 155130525 is about 537.3192758201.

The spelling of 155130525 in words is "one hundred fifty-five million, one hundred thirty thousand, five hundred twenty-five".