102146642715 has 32 divisors (see below), whose sum is σ = 176023572480. Its totient is φ = 50282706816.

The previous prime is 102146642693. The next prime is 102146642723. The reversal of 102146642715 is 517246641201.

It is not a de Polignac number, because 102146642715 - 2⁶ = 102146642651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2794326 + ... + 2830644.

It is an arithmetic number, because the mean of its divisors is an integer number (5500736640).

Almost surely, 2^102146642715 is an apocalyptic number.

102146642715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102146642715 is a deficient number, since it is larger than the sum of its proper divisors (73876929765).

102146642715 is a wasteful number, since it uses less digits than its factorization.

102146642715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50763.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 102146642715 in words is "one hundred two billion, one hundred forty-six million, six hundred forty-two thousand, seven hundred fifteen".