15228730143 has 24 divisors (see below), whose sum is σ = 24449564880. Its totient is φ = 9055388160.

The previous prime is 15228730141. The next prime is 15228730151. The reversal of 15228730143 is 34103782251.

It is not a de Polignac number, because 15228730143 - 2¹ = 15228730141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15228730098 and 15228730107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15228730141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1445938 + ... + 1456431.

It is an arithmetic number, because the mean of its divisors is an integer number (1018731870).

Almost surely, 2^15228730143 is an apocalyptic number.

15228730143 is a deficient number, since it is larger than the sum of its proper divisors (9220834737).

15228730143 is a wasteful number, since it uses less digits than its factorization.

15228730143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902439 (or 2902436 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 15228730143 in words is "fifteen billion, two hundred twenty-eight million, seven hundred thirty thousand, one hundred forty-three".