155655344 has 20 divisors (see below), whose sum is σ = 324781296. Its totient is φ = 71840832.

The previous prime is 155655323. The next prime is 155655407. The reversal of 155655344 is 443556551.

It is a super-2 number, since 2×155655344² = 48457172231516672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155655298 and 155655307.

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, 373964 + ... + 374379.

Almost surely, 2^155655344 is an apocalyptic number.

It is an amenable number.

155655344 is an abundant number, since it is smaller than the sum of its proper divisors (169125952).

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

155655344 is a wasteful number, since it uses less digits than its factorization.

155655344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748364 (or 748358 counting only the distinct ones).

The product of its digits is 180000, while the sum is 38.

The square root of 155655344 is about 12476.1910854235. The cubic root of 155655344 is about 537.9245251889.

The spelling of 155655344 in words is "one hundred fifty-five million, six hundred fifty-five thousand, three hundred forty-four".