102245399 has 2 divisors, whose sum is σ = 102245400. Its totient is φ = 102245398.

The previous prime is 102245389. The next prime is 102245401. The reversal of 102245399 is 993542201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102245399 - 2²⁴ = 85468183 is a prime.

It is a Sophie Germain prime.

Together with 102245401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102245309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51122699 + 51122700.

It is an arithmetic number, because the mean of its divisors is an integer number (51122700).

Almost surely, 2^102245399 is an apocalyptic number.

102245399 is a deficient number, since it is larger than the sum of its proper divisors (1).

102245399 is an equidigital number, since it uses as much as digits as its factorization.

102245399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 102245399 is about 10111.6467007110. The cubic root of 102245399 is about 467.6072736566.

The spelling of 102245399 in words is "one hundred two million, two hundred forty-five thousand, three hundred ninety-nine".