1143042003 has 16 divisors (see below), whose sum is σ = 1697676960. Its totient is φ = 760101408.

The previous prime is 1143041959. The next prime is 1143042023. The reversal of 1143042003 is 3002403411.

It is not a de Polignac number, because 1143042003 - 2¹⁰ = 1143040979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143042023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42600 + ... + 64037.

It is an arithmetic number, because the mean of its divisors is an integer number (106104810).

Almost surely, 2^1143042003 is an apocalyptic number.

1143042003 is a deficient number, since it is larger than the sum of its proper divisors (554634957).

1143042003 is a wasteful number, since it uses less digits than its factorization.

1143042003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107043 (or 107037 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1143042003 is about 33808.9041969715. The cubic root of 1143042003 is about 1045.5722857583.

Adding to 1143042003 its reverse (3002403411), we get a palindrome (4145445414).

The spelling of 1143042003 in words is "one billion, one hundred forty-three million, forty-two thousand, three".