102645375 has 32 divisors (see below), whose sum is σ = 195207168. Its totient is φ = 46922400.

The previous prime is 102645359. The next prime is 102645379. The reversal of 102645375 is 573546201.

It is not a de Polignac number, because 102645375 - 2⁴ = 102645359 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102645379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16927 + ... + 22176.

It is an arithmetic number, because the mean of its divisors is an integer number (6100224).

Almost surely, 2^102645375 is an apocalyptic number.

102645375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102645375 is a deficient number, since it is larger than the sum of its proper divisors (92561793).

102645375 is an equidigital number, since it uses as much as digits as its factorization.

102645375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39128 (or 39118 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 102645375 is about 10131.4053812884. The cubic root of 102645375 is about 468.2162279728.

The spelling of 102645375 in words is "one hundred two million, six hundred forty-five thousand, three hundred seventy-five".