102445163 has 2 divisors, whose sum is σ = 102445164. Its totient is φ = 102445162.

The previous prime is 102445129. The next prime is 102445171. The reversal of 102445163 is 361544201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102445163 - 2¹² = 102441067 is a prime.

It is a super-2 number, since 2×102445163² = 20990022844193138, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (102445103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51222581 + 51222582.

It is an arithmetic number, because the mean of its divisors is an integer number (51222582).

Almost surely, 2^102445163 is an apocalyptic number.

102445163 is a deficient number, since it is larger than the sum of its proper divisors (1).

102445163 is an equidigital number, since it uses as much as digits as its factorization.

102445163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 102445163 is about 10121.5197969475. The cubic root of 102445163 is about 467.9116079075.

Adding to 102445163 its reverse (361544201), we get a palindrome (463989364).

The spelling of 102445163 in words is "one hundred two million, four hundred forty-five thousand, one hundred sixty-three".