155254432 has 24 divisors (see below), whose sum is σ = 308520576. Its totient is φ = 76900032.

The previous prime is 155254409. The next prime is 155254441. The reversal of 155254432 is 234452551.

It is a junction number, because it is equal to n+sod(n) for n = 155254394 and 155254403.

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, 19248 + ... + 26095.

It is an arithmetic number, because the mean of its divisors is an integer number (12855024).

Almost surely, 2^155254432 is an apocalyptic number.

It is an amenable number.

155254432 is a deficient number, since it is larger than the sum of its proper divisors (153266144).

155254432 is a wasteful number, since it uses less digits than its factorization.

155254432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45460 (or 45452 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 155254432 is about 12460.1136431415. The cubic root of 155254432 is about 537.4622949574.

The spelling of 155254432 in words is "one hundred fifty-five million, two hundred fifty-four thousand, four hundred thirty-two".