102145187059 has 16 divisors (see below), whose sum is σ = 104711529600. Its totient is φ = 99619812864.

The previous prime is 102145187051. The next prime is 102145187083. The reversal of 102145187059 is 950781541201.

It is a cyclic number.

It is not a de Polignac number, because 102145187059 - 2³ = 102145187051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102145187051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887622 + ... + 1940980.

It is an arithmetic number, because the mean of its divisors is an integer number (6544470600).

Almost surely, 2^102145187059 is an apocalyptic number.

102145187059 is a deficient number, since it is larger than the sum of its proper divisors (2566342541).

102145187059 is a wasteful number, since it uses less digits than its factorization.

102145187059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53742.

The product of its (nonzero) digits is 100800, while the sum is 43.

The spelling of 102145187059 in words is "one hundred two billion, one hundred forty-five million, one hundred eighty-seven thousand, fifty-nine".