102514145197 has 2 divisors, whose sum is σ = 102514145198. Its totient is φ = 102514145196.

The previous prime is 102514145191. The next prime is 102514145243. The reversal of 102514145197 is 791541415201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100975230756 + 1538914441 = 317766^2 + 39229^2 .

It is a cyclic number.

It is not a de Polignac number, because 102514145197 - 2²³ = 102505756589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102514145191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51257072598 + 51257072599.

It is an arithmetic number, because the mean of its divisors is an integer number (51257072599).

Almost surely, 2^102514145197 is an apocalyptic number.

It is an amenable number.

102514145197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102514145197 is an equidigital number, since it uses as much as digits as its factorization.

102514145197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 102514145197 in words is "one hundred two billion, five hundred fourteen million, one hundred forty-five thousand, one hundred ninety-seven".