102144332565 has 96 divisors (see below), whose sum is σ = 195898060800. Its totient is φ = 48820786560.

The previous prime is 102144332513. The next prime is 102144332579. The reversal of 102144332565 is 565233441201.

102144332565 is a `hidden beast` number, since 1 + 0 + 21 + 4 + 43 + 32 + 565 = 666.

It is not a de Polignac number, because 102144332565 - 2⁹ = 102144332053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30773976 + ... + 30777294.

It is an arithmetic number, because the mean of its divisors is an integer number (2040604800).

Almost surely, 2^102144332565 is an apocalyptic number.

102144332565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102144332565 is a deficient number, since it is larger than the sum of its proper divisors (93753728235).

102144332565 is a wasteful number, since it uses less digits than its factorization.

102144332565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207 (or 4204 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 102144332565 its reverse (565233441201), we get a palindrome (667377773766).

The spelling of 102144332565 in words is "one hundred two billion, one hundred forty-four million, three hundred thirty-two thousand, five hundred sixty-five".