155430832 has 20 divisors (see below), whose sum is σ = 301342816. Its totient is φ = 77664960.

The previous prime is 155430827. The next prime is 155430851. The reversal of 155430832 is 238034551.

155430832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155430794 and 155430803.

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, 40918 + ... + 44554.

Almost surely, 2^155430832 is an apocalyptic number.

It is an amenable number.

155430832 is a deficient number, since it is larger than the sum of its proper divisors (145911984).

155430832 is a wasteful number, since it uses less digits than its factorization.

155430832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316 (or 6310 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 155430832 is about 12467.1902207354. The cubic root of 155430832 is about 537.6657727008.

The spelling of 155430832 in words is "one hundred fifty-five million, four hundred thirty thousand, eight hundred thirty-two".