102544243 has 2 divisors, whose sum is σ = 102544244. Its totient is φ = 102544242.

The previous prime is 102544231. The next prime is 102544297. The reversal of 102544243 is 342445201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102544243 - 2⁹ = 102543731 is a prime.

It is not a weakly prime, because it can be changed into another prime (102545243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51272121 + 51272122.

It is an arithmetic number, because the mean of its divisors is an integer number (51272122).

Almost surely, 2^102544243 is an apocalyptic number.

102544243 is a deficient number, since it is larger than the sum of its proper divisors (1).

102544243 is an equidigital number, since it uses as much as digits as its factorization.

102544243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 102544243 is about 10126.4131359529. The cubic root of 102544243 is about 468.0624064513.

Adding to 102544243 its reverse (342445201), we get a palindrome (444989444).

The spelling of 102544243 in words is "one hundred two million, five hundred forty-four thousand, two hundred forty-three".