155925472 has 24 divisors (see below), whose sum is σ = 308581056. Its totient is φ = 77555712.

The previous prime is 155925449. The next prime is 155925493. The reversal of 155925472 is 274529551.

It is a happy number.

155925472 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6448 + ... + 18799.

It is an arithmetic number, because the mean of its divisors is an integer number (12857544).

Almost surely, 2^155925472 is an apocalyptic number.

It is an amenable number.

155925472 is a deficient number, since it is larger than the sum of its proper divisors (152655584).

155925472 is a wasteful number, since it uses less digits than its factorization.

155925472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25450 (or 25442 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The square root of 155925472 is about 12487.0121326120. The cubic root of 155925472 is about 538.2355210428.

The spelling of 155925472 in words is "one hundred fifty-five million, nine hundred twenty-five thousand, four hundred seventy-two".