155356428 has 12 divisors (see below), whose sum is σ = 362498360. Its totient is φ = 51785472.

The previous prime is 155356417. The next prime is 155356457. The reversal of 155356428 is 824653551.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6473173 + ... + 6473196.

Almost surely, 2^155356428 is an apocalyptic number.

It is an amenable number.

155356428 is an abundant number, since it is smaller than the sum of its proper divisors (207141932).

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

155356428 is a wasteful number, since it uses less digits than its factorization.

155356428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12946376 (or 12946374 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 155356428 is about 12464.2058712138. The cubic root of 155356428 is about 537.5799663249.

The spelling of 155356428 in words is "one hundred fifty-five million, three hundred fifty-six thousand, four hundred twenty-eight".