155413432 has 8 divisors (see below), whose sum is σ = 291400200. Its totient is φ = 77706712.

The previous prime is 155413409. The next prime is 155413451. The reversal of 155413432 is 234314551.

155413432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 155413432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9713332 + ... + 9713347.

It is an arithmetic number, because the mean of its divisors is an integer number (36425025).

Almost surely, 2^155413432 is an apocalyptic number.

It is an amenable number.

155413432 is a deficient number, since it is larger than the sum of its proper divisors (135986768).

155413432 is a wasteful number, since it uses less digits than its factorization.

155413432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19426685 (or 19426681 counting only the distinct ones).

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

The square root of 155413432 is about 12466.4923695481. The cubic root of 155413432 is about 537.6457086130.

Adding to 155413432 its reverse (234314551), we get a palindrome (389727983).

The spelling of 155413432 in words is "one hundred fifty-five million, four hundred thirteen thousand, four hundred thirty-two".