145855556180 has 24 divisors (see below), whose sum is σ = 322417546080. Its totient is φ = 55271579040.

The previous prime is 145855556113. The next prime is 145855556191. The reversal of 145855556180 is 81655558541.

145855556180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191914826 + ... + 191915585.

It is an arithmetic number, because the mean of its divisors is an integer number (13434064420).

Almost surely, 2^145855556180 is an apocalyptic number.

145855556180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145855556180 is an abundant number, since it is smaller than the sum of its proper divisors (176561989900).

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

145855556180 is a wasteful number, since it uses less digits than its factorization.

145855556180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383830439 (or 383830437 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 53.

The spelling of 145855556180 in words is "one hundred forty-five billion, eight hundred fifty-five million, five hundred fifty-six thousand, one hundred eighty".