102345999975 has 18 divisors (see below), whose sum is σ = 183313058136. Its totient is φ = 54584533200.

The previous prime is 102345999967. The next prime is 102345999989. The reversal of 102345999975 is 579999543201.

102345999975 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 459 + 99 + 97 + 5 = 666.

It is not a de Polignac number, because 102345999975 - 2³ = 102345999967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 227435331 + ... + 227435780.

Almost surely, 2^102345999975 is an apocalyptic number.

102345999975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102345999975 is a deficient number, since it is larger than the sum of its proper divisors (80967058161).

102345999975 is a wasteful number, since it uses less digits than its factorization.

102345999975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454871127 (or 454871119 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The spelling of 102345999975 in words is "one hundred two billion, three hundred forty-five million, nine hundred ninety-nine thousand, nine hundred seventy-five".