151232456550 has 48 divisors (see below), whose sum is σ = 428635994112. Its totient is φ = 34567418400.

The previous prime is 151232456549. The next prime is 151232456579. The reversal of 151232456550 is 55654232151.

It is a junction number, because it is equal to n+sod(n) for n = 151232456499 and 151232456508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72014406 + ... + 72016505.

It is an arithmetic number, because the mean of its divisors is an integer number (8929916544).

Almost surely, 2^151232456550 is an apocalyptic number.

151232456550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151232456550 is an abundant number, since it is smaller than the sum of its proper divisors (277403537562).

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

151232456550 is a wasteful number, since it uses less digits than its factorization.

151232456550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144030933 (or 144030928 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 151232456550 in words is "one hundred fifty-one billion, two hundred thirty-two million, four hundred fifty-six thousand, five hundred fifty".