102645768 has 48 divisors (see below), whose sum is σ = 260855280. Its totient is φ = 33654112.

The previous prime is 102645731. The next prime is 102645769. The reversal of 102645768 is 867546201.

It is not an unprimeable number, because it can be changed into a prime (102645769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452071 + ... + 452297.

It is an arithmetic number, because the mean of its divisors is an integer number (5434485).

Almost surely, 2^102645768 is an apocalyptic number.

It is an amenable number.

102645768 is an abundant number, since it is smaller than the sum of its proper divisors (158209512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102645768 is an equidigital number, since it uses as much as digits as its factorization.

102645768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 315 counting only the distinct ones).

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

The square root of 102645768 is about 10131.4247764073. The cubic root of 102645768 is about 468.2168255277.

The spelling of 102645768 in words is "one hundred two million, six hundred forty-five thousand, seven hundred sixty-eight".