15243205244 has 12 divisors (see below), whose sum is σ = 28244762784. Its totient is φ = 7173273024.

The previous prime is 15243205177. The next prime is 15243205247. The reversal of 15243205244 is 44250234251.

15243205244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15243205244² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15243205244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15243205247) by changing a digit.

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, 112082324 + ... + 112082459.

It is an arithmetic number, because the mean of its divisors is an integer number (2353730232).

Almost surely, 2^15243205244 is an apocalyptic number.

It is an amenable number.

15243205244 is a deficient number, since it is larger than the sum of its proper divisors (13001557540).

15243205244 is a wasteful number, since it uses less digits than its factorization.

15243205244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224164804 (or 224164802 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 15243205244 its reverse (44250234251), we get a palindrome (59493439495).

The spelling of 15243205244 in words is "fifteen billion, two hundred forty-three million, two hundred five thousand, two hundred forty-four".