1143573316 has 12 divisors (see below), whose sum is σ = 2003359932. Its totient is φ = 571184768.

The previous prime is 1143573313. The next prime is 1143573329. The reversal of 1143573316 is 6133753411.

It can be written as a sum of positive squares in 2 ways, for example, as 894249216 + 249324100 = 29904^2 + 15790^2 .

It is not an unprimeable number, because it can be changed into a prime (1143573313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146185 + ... + 153808.

It is an arithmetic number, because the mean of its divisors is an integer number (166946661).

Almost surely, 2^1143573316 is an apocalyptic number.

It is an amenable number.

1143573316 is a deficient number, since it is larger than the sum of its proper divisors (859786616).

1143573316 is a wasteful number, since it uses less digits than its factorization.

1143573316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300950 (or 300948 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 1143573316 is about 33816.7608738625. The cubic root of 1143573316 is about 1045.7342629195.

The spelling of 1143573316 in words is "one billion, one hundred forty-three million, five hundred seventy-three thousand, three hundred sixteen".