1143499241 has 2 divisors, whose sum is σ = 1143499242. Its totient is φ = 1143499240.

The previous prime is 1143499223. The next prime is 1143499283. The reversal of 1143499241 is 1429943411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941262400 + 202236841 = 30680^2 + 14221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143499241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143499195 and 1143499204.

It is not a weakly prime, because it can be changed into another prime (1143492241) 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, 571749620 + 571749621.

It is an arithmetic number, because the mean of its divisors is an integer number (571749621).

Almost surely, 2^1143499241 is an apocalyptic number.

It is an amenable number.

1143499241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143499241 is an equidigital number, since it uses as much as digits as its factorization.

1143499241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 1143499241 is about 33815.6656152145. The cubic root of 1143499241 is about 1045.7116832746.

The spelling of 1143499241 in words is "one billion, one hundred forty-three million, four hundred ninety-nine thousand, two hundred forty-one".