143640435426625 has 64 divisors (see below), whose sum is σ = 183119103737856. Its totient is φ = 112467926592000.

The previous prime is 143640435426619. The next prime is 143640435426779. The reversal of 143640435426625 is 526624534046341.

It is not a de Polignac number, because 143640435426625 - 2¹⁹ = 143640434902337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 688386060 + ... + 688594690.

It is an arithmetic number, because the mean of its divisors is an integer number (2861235995904).

Almost surely, 2^{143640435426625} is an apocalyptic number.

It is an amenable number.

143640435426625 is a deficient number, since it is larger than the sum of its proper divisors (39478668311231).

143640435426625 is a wasteful number, since it uses less digits than its factorization.

143640435426625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209299 (or 209289 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 55.

The spelling of 143640435426625 in words is "one hundred forty-three trillion, six hundred forty billion, four hundred thirty-five million, four hundred twenty-six thousand, six hundred twenty-five".