102143898725 has 48 divisors (see below), whose sum is σ = 148831617024. Its totient is φ = 68764344000.

The previous prime is 102143898713. The next prime is 102143898743. The reversal of 102143898725 is 527898341201.

It is not a de Polignac number, because 102143898725 - 2⁸ = 102143898469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64397 + ... + 456546.

It is an arithmetic number, because the mean of its divisors is an integer number (3100658688).

Almost surely, 2^102143898725 is an apocalyptic number.

It is an amenable number.

102143898725 is a deficient number, since it is larger than the sum of its proper divisors (46687718299).

102143898725 is a wasteful number, since it uses less digits than its factorization.

102143898725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521018 (or 521013 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 102143898725 in words is "one hundred two billion, one hundred forty-three million, eight hundred ninety-eight thousand, seven hundred twenty-five".