1143304424 has 24 divisors (see below), whose sum is σ = 2240960610. Its totient is φ = 546795744.

The previous prime is 1143304411. The next prime is 1143304427. The reversal of 1143304424 is 4244033411.

It can be written as a sum of positive squares in only one way, i.e., 1136903524 + 6400900 = 33718^2 + 2530^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1143304393 and 1143304402.

It is not an unprimeable number, because it can be changed into a prime (1143304427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130847 + ... + 139310.

Almost surely, 2^1143304424 is an apocalyptic number.

It is an amenable number.

1143304424 is a deficient number, since it is larger than the sum of its proper divisors (1097656186).

1143304424 is a wasteful number, since it uses less digits than its factorization.

1143304424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270209 (or 270182 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1143304424 is about 33812.7849193171. The cubic root of 1143304424 is about 1045.6522942296.

Adding to 1143304424 its reverse (4244033411), we get a palindrome (5387337835).

The spelling of 1143304424 in words is "one billion, one hundred forty-three million, three hundred four thousand, four hundred twenty-four".