1143153673 has 2 divisors, whose sum is σ = 1143153674. Its totient is φ = 1143153672.

The previous prime is 1143153643. The next prime is 1143153679. The reversal of 1143153673 is 3763513411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 888814969 + 254338704 = 29813^2 + 15948^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143153673 - 2⁹ = 1143153161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143153679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571576836 + 571576837.

It is an arithmetic number, because the mean of its divisors is an integer number (571576837).

Almost surely, 2^1143153673 is an apocalyptic number.

It is an amenable number.

1143153673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143153673 is an equidigital number, since it uses as much as digits as its factorization.

1143153673 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1143153673 is about 33810.5556446504. Note that the first 3 decimals coincide. The cubic root of 1143153673 is about 1045.6063338670.

The spelling of 1143153673 in words is "one billion, one hundred forty-three million, one hundred fifty-three thousand, six hundred seventy-three".