1143006853 has 2 divisors, whose sum is σ = 1143006854. Its totient is φ = 1143006852.

The previous prime is 1143006803. The next prime is 1143006877. The reversal of 1143006853 is 3586003411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1142575204 + 431649 = 33802^2 + 657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143006853 - 2⁹ = 1143006341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143006803) 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 as a sum of consecutive naturals, namely, 571503426 + 571503427.

It is an arithmetic number, because the mean of its divisors is an integer number (571503427).

Almost surely, 2^1143006853 is an apocalyptic number.

It is an amenable number.

1143006853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143006853 is an equidigital number, since it uses as much as digits as its factorization.

1143006853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1143006853 is about 33808.3843595047. The cubic root of 1143006853 is about 1045.5615680878.

The spelling of 1143006853 in words is "one billion, one hundred forty-three million, six thousand, eight hundred fifty-three".