155432654256 has 40 divisors (see below), whose sum is σ = 438037481664. Its totient is φ = 47100804160.

The previous prime is 155432654231. The next prime is 155432654257. The reversal of 155432654256 is 652456234551.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (155432654257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147189486 + ... + 147190541.

Almost surely, 2^155432654256 is an apocalyptic number.

155432654256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155432654256 is an abundant number, since it is smaller than the sum of its proper divisors (282604827408).

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

155432654256 is a wasteful number, since it uses less digits than its factorization.

155432654256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294380049 (or 294380043 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 48.

The spelling of 155432654256 in words is "one hundred fifty-five billion, four hundred thirty-two million, six hundred fifty-four thousand, two hundred fifty-six".