155828412 has 18 divisors (see below), whose sum is σ = 393899688. Its totient is φ = 51942792.

The previous prime is 155828411. The next prime is 155828417. The reversal of 155828412 is 214828551.

155828412 is digitally balanced in base 3, 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 (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4328567 = 155828412 / (1 + 5 + 5 + 8 + 2 + 8 + 4 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155828411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2164248 + ... + 2164319.

It is an arithmetic number, because the mean of its divisors is an integer number (21883316).

Almost surely, 2^155828412 is an apocalyptic number.

155828412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155828412 is an abundant number, since it is smaller than the sum of its proper divisors (238071276).

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

155828412 is a wasteful number, since it uses less digits than its factorization.

155828412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328577 (or 4328572 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 155828412 is about 12483.1250894958. The cubic root of 155828412 is about 538.1238181410.

The spelling of 155828412 in words is "one hundred fifty-five million, eight hundred twenty-eight thousand, four hundred twelve".