155402656 has 24 divisors (see below), whose sum is σ = 306633600. Its totient is φ = 77527488.

The previous prime is 155402647. The next prime is 155402683. The reversal of 155402656 is 656204551.

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, 9745 + ... + 20143.

It is an arithmetic number, because the mean of its divisors is an integer number (12776400).

Almost surely, 2^155402656 is an apocalyptic number.

155402656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155402656 is a deficient number, since it is larger than the sum of its proper divisors (151230944).

155402656 is a wasteful number, since it uses less digits than its factorization.

155402656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876 (or 10868 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 155402656 is about 12466.0601634999. The cubic root of 155402656 is about 537.6332819649.

The spelling of 155402656 in words is "one hundred fifty-five million, four hundred two thousand, six hundred fifty-six".