143232981791172 has 96 divisors (see below), whose sum is σ = 420087567040512. Its totient is φ = 36971992480896.

The previous prime is 143232981791161. The next prime is 143232981791231. The reversal of 143232981791172 is 271197189232341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1395328828 + ... + 1395431475.

It is an arithmetic number, because the mean of its divisors is an integer number (4375912156672).

Almost surely, 2^{143232981791172} is an apocalyptic number.

143232981791172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143232981791172 is an abundant number, since it is smaller than the sum of its proper divisors (276854585249340).

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

143232981791172 is a wasteful number, since it uses less digits than its factorization.

143232981791172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790760377 (or 2790760375 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The spelling of 143232981791172 in words is "one hundred forty-three trillion, two hundred thirty-two billion, nine hundred eighty-one million, seven hundred ninety-one thousand, one hundred seventy-two".