1143803368 has 8 divisors (see below), whose sum is σ = 2144631330. Its totient is φ = 571901680.

The previous prime is 1143803351. The next prime is 1143803371. The reversal of 1143803368 is 8633083411.

It can be written as a sum of positive squares in only one way, i.e., 1138522564 + 5280804 = 33742^2 + 2298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1143803368² = 2616572289296286848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 71487703 + ... + 71487718.

Almost surely, 2^1143803368 is an apocalyptic number.

It is an amenable number.

1143803368 is a deficient number, since it is larger than the sum of its proper divisors (1000827962).

1143803368 is a wasteful number, since it uses less digits than its factorization.

1143803368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142975427 (or 142975423 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1143803368 is about 33820.1621521837. The cubic root of 1143803368 is about 1045.8043814754.

Adding to 1143803368 its reverse (8633083411), we get a palindrome (9776886779).

The spelling of 1143803368 in words is "one billion, one hundred forty-three million, eight hundred three thousand, three hundred sixty-eight".