102445087 has 2 divisors, whose sum is σ = 102445088. Its totient is φ = 102445086.

The previous prime is 102445073. The next prime is 102445103. The reversal of 102445087 is 780544201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102445087 - 2¹⁹ = 101920799 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102445027) 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, 51222543 + 51222544.

It is an arithmetic number, because the mean of its divisors is an integer number (51222544).

Almost surely, 2^102445087 is an apocalyptic number.

102445087 is a deficient number, since it is larger than the sum of its proper divisors (1).

102445087 is an equidigital number, since it uses as much as digits as its factorization.

102445087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 102445087 is about 10121.5160425699. The cubic root of 102445087 is about 467.9114921991.

Adding to 102445087 its reverse (780544201), we get a palindrome (882989288).

The spelling of 102445087 in words is "one hundred two million, four hundred forty-five thousand, eighty-seven".