102143465521 has 8 divisors (see below), whose sum is σ = 102580478784. Its totient is φ = 101706943920.

The previous prime is 102143465513. The next prime is 102143465527. The reversal of 102143465521 is 125564341201.

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

It is a cyclic number.

It is not a de Polignac number, because 102143465521 - 2³ = 102143465513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102143465527) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 296526 + ... + 540568.

It is an arithmetic number, because the mean of its divisors is an integer number (12822559848).

Almost surely, 2^102143465521 is an apocalyptic number.

It is an amenable number.

102143465521 is a deficient number, since it is larger than the sum of its proper divisors (437013263).

102143465521 is a wasteful number, since it uses less digits than its factorization.

102143465521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245831.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 102143465521 in words is "one hundred two billion, one hundred forty-three million, four hundred sixty-five thousand, five hundred twenty-one".