155413125 has 60 divisors (see below), whose sum is σ = 320672352. Its totient is φ = 71028000.

The previous prime is 155413121. The next prime is 155413147. The reversal of 155413125 is 521314551.

It is not a de Polignac number, because 155413125 - 2² = 155413121 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155413121) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 37402 + ... + 41348.

Almost surely, 2^155413125 is an apocalyptic number.

155413125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155413125 is an abundant number, since it is smaller than the sum of its proper divisors (165259227).

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

155413125 is an equidigital number, since it uses as much as digits as its factorization.

155413125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3962 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 155413125 is about 12466.4800565356. The cubic root of 155413125 is about 537.6453545952.

Adding to 155413125 its reverse (521314551), we get a palindrome (676727676).

The spelling of 155413125 in words is "one hundred fifty-five million, four hundred thirteen thousand, one hundred twenty-five".