1143116248 has 32 divisors (see below), whose sum is σ = 2173167360. Its totient is φ = 563652000.

The previous prime is 1143116239. The next prime is 1143116269. The reversal of 1143116248 is 8426113411.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 204061 + ... + 209587.

It is an arithmetic number, because the mean of its divisors is an integer number (67911480).

Almost surely, 2^1143116248 is an apocalyptic number.

It is an amenable number.

1143116248 is a deficient number, since it is larger than the sum of its proper divisors (1030051112).

1143116248 is a wasteful number, since it uses less digits than its factorization.

1143116248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5887 (or 5883 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 1143116248 is about 33810.0021887015. The cubic root of 1143116248 is about 1045.5949232564.

Adding to 1143116248 its reverse (8426113411), we get a palindrome (9569229659).

The spelling of 1143116248 in words is "one billion, one hundred forty-three million, one hundred sixteen thousand, two hundred forty-eight".