1143503132 has 6 divisors (see below), whose sum is σ = 2001130488. Its totient is φ = 571751564.

The previous prime is 1143503083. The next prime is 1143503159. The reversal of 1143503132 is 2313053411.

It is a junction number, because it is equal to n+sod(n) for n = 1143503098 and 1143503107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142937888 + ... + 142937895.

It is an arithmetic number, because the mean of its divisors is an integer number (333521748).

Almost surely, 2^1143503132 is an apocalyptic number.

It is an amenable number.

1143503132 is a deficient number, since it is larger than the sum of its proper divisors (857627356).

1143503132 is a wasteful number, since it uses less digits than its factorization.

1143503132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285875787 (or 285875785 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1143503132 is about 33815.7231476720. The cubic root of 1143503132 is about 1045.7128693589.

Adding to 1143503132 its reverse (2313053411), we get a palindrome (3456556543).

The spelling of 1143503132 in words is "one billion, one hundred forty-three million, five hundred three thousand, one hundred thirty-two".