102544424 has 8 divisors (see below), whose sum is σ = 192270810. Its totient is φ = 51272208.

The previous prime is 102544417. The next prime is 102544451. The reversal of 102544424 is 424445201.

It can be written as a sum of positive squares in only one way, i.e., 99002500 + 3541924 = 9950^2 + 1882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 102544393 and 102544402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6409019 + ... + 6409034.

Almost surely, 2^102544424 is an apocalyptic number.

It is an amenable number.

102544424 is a deficient number, since it is larger than the sum of its proper divisors (89726386).

102544424 is a wasteful number, since it uses less digits than its factorization.

102544424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12818059 (or 12818055 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 102544424 is about 10126.4220729733. The cubic root of 102544424 is about 468.0626818422.

Adding to 102544424 its reverse (424445201), we get a palindrome (526989625).

The spelling of 102544424 in words is "one hundred two million, five hundred forty-four thousand, four hundred twenty-four".