155134432 has 24 divisors (see below), whose sum is σ = 309727152. Its totient is φ = 76473600.

The previous prime is 155134391. The next prime is 155134453. The reversal of 155134432 is 234431551.

155134432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155134432.

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, 31869 + ... + 36412.

It is an arithmetic number, because the mean of its divisors is an integer number (12905298).

Almost surely, 2^155134432 is an apocalyptic number.

It is an amenable number.

155134432 is a deficient number, since it is larger than the sum of its proper divisors (154592720).

155134432 is an equidigital number, since it uses as much as digits as its factorization.

155134432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68362 (or 68354 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 155134432 is about 12455.2973469123. The cubic root of 155134432 is about 537.3237866211.

Adding to 155134432 its reverse (234431551), we get a palindrome (389565983).

The spelling of 155134432 in words is "one hundred fifty-five million, one hundred thirty-four thousand, four hundred thirty-two".