155104432 has 20 divisors (see below), whose sum is σ = 343445776. Its totient is φ = 66473280.

The previous prime is 155104427. The next prime is 155104457. The reversal of 155104432 is 234401551.

It is a happy number.

155104432 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 = 155104397 and 155104406.

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, 692319 + ... + 692542.

Almost surely, 2^155104432 is an apocalyptic number.

It is an amenable number.

155104432 is an abundant number, since it is smaller than the sum of its proper divisors (188341344).

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

155104432 is a wasteful number, since it uses less digits than its factorization.

155104432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384876 (or 1384870 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 155104432 is about 12454.0929818273. The cubic root of 155104432 is about 537.2891483774.

Adding to 155104432 its reverse (234401551), we get a palindrome (389505983).

The spelling of 155104432 in words is "one hundred fifty-five million, one hundred four thousand, four hundred thirty-two".