143640164725 has 12 divisors (see below), whose sum is σ = 178171007040. Its totient is φ = 114875226800.

The previous prime is 143640164693. The next prime is 143640164743. The reversal of 143640164725 is 527461046341.

It is not a de Polignac number, because 143640164725 - 2⁵ = 143640164693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 843091 + ... + 999040.

It is an arithmetic number, because the mean of its divisors is an integer number (14847583920).

Almost surely, 2^143640164725 is an apocalyptic number.

It is an amenable number.

143640164725 is a deficient number, since it is larger than the sum of its proper divisors (34530842315).

143640164725 is a wasteful number, since it uses less digits than its factorization.

143640164725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845260 (or 1845255 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 143640164725 in words is "one hundred forty-three billion, six hundred forty million, one hundred sixty-four thousand, seven hundred twenty-five".