1143487676 has 6 divisors (see below), whose sum is σ = 2001103440. Its totient is φ = 571743836.

The previous prime is 1143487601. The next prime is 1143487679. The reversal of 1143487676 is 6767843411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143487676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143487679) by changing a digit.

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, 142935956 + ... + 142935963.

It is an arithmetic number, because the mean of its divisors is an integer number (333517240).

Almost surely, 2^1143487676 is an apocalyptic number.

It is an amenable number.

1143487676 is a deficient number, since it is larger than the sum of its proper divisors (857615764).

1143487676 is a wasteful number, since it uses less digits than its factorization.

1143487676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285871923 (or 285871921 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 1143487676 is about 33815.4946141558. The cubic root of 1143487676 is about 1045.7081579271.

The spelling of 1143487676 in words is "one billion, one hundred forty-three million, four hundred eighty-seven thousand, six hundred seventy-six".