143666311431125 has 16 divisors (see below), whose sum is σ = 204909207619584. Its totient is φ = 98514042123600.

The previous prime is 143666311431119. The next prime is 143666311431229. The reversal of 143666311431125 is 521134113666341.

It is a de Polignac number, because none of the positive numbers 2^k-143666311431125 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143666311431125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82095034229 + ... + 82095035978.

It is an arithmetic number, because the mean of its divisors is an integer number (12806825476224).

Almost surely, 2^{143666311431125} is an apocalyptic number.

It is an amenable number.

143666311431125 is a deficient number, since it is larger than the sum of its proper divisors (61242896188459).

143666311431125 is an equidigital number, since it uses as much as digits as its factorization.

143666311431125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164190070229 (or 164190070219 counting only the distinct ones).

The product of its digits is 933120, while the sum is 47.

The spelling of 143666311431125 in words is "one hundred forty-three trillion, six hundred sixty-six billion, three hundred eleven million, four hundred thirty-one thousand, one hundred twenty-five".