1143114287 has 6 divisors (see below), whose sum is σ = 1329745248. Its totient is φ = 979812204.

The previous prime is 1143114241. The next prime is 1143114299. The reversal of 1143114287 is 7824113411.

It is not a de Polignac number, because 1143114287 - 2¹⁰ = 1143113263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143114587) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11664383 + ... + 11664480.

It is an arithmetic number, because the mean of its divisors is an integer number (221624208).

Almost surely, 2^1143114287 is an apocalyptic number.

1143114287 is a deficient number, since it is larger than the sum of its proper divisors (186630961).

1143114287 is an equidigital number, since it uses as much as digits as its factorization.

1143114287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23328877 (or 23328870 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 1143114287 is about 33809.9731883952. The cubic root of 1143114287 is about 1045.5943253549.

Adding to 1143114287 its reverse (7824113411), we get a palindrome (8967227698).

The spelling of 1143114287 in words is "one billion, one hundred forty-three million, one hundred fourteen thousand, two hundred eighty-seven".