155412925 has 12 divisors (see below), whose sum is σ = 193487616. Its totient is φ = 123830000.

The previous prime is 155412893. The next prime is 155412931. The reversal of 155412925 is 529214551.

It is not a de Polignac number, because 155412925 - 2⁵ = 155412893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6109 + ... + 18658.

It is an arithmetic number, because the mean of its divisors is an integer number (16123968).

Almost surely, 2^155412925 is an apocalyptic number.

It is an amenable number.

155412925 is a deficient number, since it is larger than the sum of its proper divisors (38074691).

155412925 is a wasteful number, since it uses less digits than its factorization.

155412925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25028 (or 25023 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 155412925 is about 12466.4720350226. The cubic root of 155412925 is about 537.6451239645.

The spelling of 155412925 in words is "one hundred fifty-five million, four hundred twelve thousand, nine hundred twenty-five".