155424056 has 16 divisors (see below), whose sum is σ = 291623640. Its totient is φ = 77657760.

The previous prime is 155423981. The next prime is 155424083. The reversal of 155424056 is 650424551.

It is a super-2 number, since 2×155424056² = 48313274366982272, which contains 22 as substring.

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, 7046 + ... + 18986.

Almost surely, 2^155424056 is an apocalyptic number.

It is an amenable number.

155424056 is a deficient number, since it is larger than the sum of its proper divisors (136199584).

155424056 is a wasteful number, since it uses less digits than its factorization.

155424056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13574 (or 13570 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 155424056 is about 12466.9184644803. The cubic root of 155424056 is about 537.6579594157.

The spelling of 155424056 in words is "one hundred fifty-five million, four hundred twenty-four thousand, fifty-six".