102444535 has 4 divisors (see below), whose sum is σ = 122933448. Its totient is φ = 81955624.

The previous prime is 102444469. The next prime is 102444547. The reversal of 102444535 is 535444201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102444535 - 2²¹ = 100347383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10244449 + ... + 10244458.

It is an arithmetic number, because the mean of its divisors is an integer number (30733362).

Almost surely, 2^102444535 is an apocalyptic number.

102444535 is a deficient number, since it is larger than the sum of its proper divisors (20488913).

102444535 is an equidigital number, since it uses as much as digits as its factorization.

102444535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20488912.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 102444535 is about 10121.4887738909. The cubic root of 102444535 is about 467.9106517892.

Adding to 102444535 its reverse (535444201), we get a palindrome (637888736).

The spelling of 102444535 in words is "one hundred two million, four hundred forty-four thousand, five hundred thirty-five".