157545080172 has 72 divisors (see below), whose sum is σ = 402269868000. Its totient is φ = 51984384768.

The previous prime is 157545080153. The next prime is 157545080197. The reversal of 157545080172 is 271080545751.

157545080172 is a `hidden beast` number, since 1 + 5 + 75 + 4 + 508 + 0 + 1 + 72 = 666.

157545080172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 4286329 + ... + 4322927.

It is an arithmetic number, because the mean of its divisors is an integer number (5587081500).

Almost surely, 2^157545080172 is an apocalyptic number.

157545080172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157545080172 is an abundant number, since it is smaller than the sum of its proper divisors (244724787828).

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

157545080172 is a wasteful number, since it uses less digits than its factorization.

157545080172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37815 (or 37810 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The spelling of 157545080172 in words is "one hundred fifty-seven billion, five hundred forty-five million, eighty thousand, one hundred seventy-two".