102143583865 has 8 divisors (see below), whose sum is σ = 122648870088. Its totient is φ = 81663820800.

The previous prime is 102143583851. The next prime is 102143583907. The reversal of 102143583865 is 568385341201.

It can be written as a sum of positive squares in 4 ways, for example, as 29969149456 + 72174434409 = 173116^2 + 268653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102143583865 - 2²⁵ = 102110029433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6371982 + ... + 6387991.

It is an arithmetic number, because the mean of its divisors is an integer number (15331108761).

Almost surely, 2^102143583865 is an apocalyptic number.

It is an amenable number.

102143583865 is a deficient number, since it is larger than the sum of its proper divisors (20505286223).

102143583865 is a wasteful number, since it uses less digits than its factorization.

102143583865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12761579.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 102143583865 in words is "one hundred two billion, one hundred forty-three million, five hundred eighty-three thousand, eight hundred sixty-five".