1143242404 has 12 divisors (see below), whose sum is σ = 2000947228. Its totient is φ = 571543200.

The previous prime is 1143242381. The next prime is 1143242413. The reversal of 1143242404 is 4042423411.

It can be written as a sum of positive squares in 2 ways, for example, as 204432804 + 938809600 = 14298^2 + 30640^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24514 + ... + 53734.

Almost surely, 2^1143242404 is an apocalyptic number.

It is an amenable number.

1143242404 is a deficient number, since it is larger than the sum of its proper divisors (857704824).

1143242404 is a wasteful number, since it uses less digits than its factorization.

1143242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39006 (or 39004 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1143242404 is about 33811.8677981563. The cubic root of 1143242404 is about 1045.6333863090.

Adding to 1143242404 its reverse (4042423411), we get a palindrome (5185665815).

The spelling of 1143242404 in words is "one billion, one hundred forty-three million, two hundred forty-two thousand, four hundred four".