1143437814 has 24 divisors (see below), whose sum is σ = 2501505552. Its totient is φ = 377444880.

The previous prime is 1143437753. The next prime is 1143437819. The reversal of 1143437814 is 4187343411.

1143437814 is a `hidden beast` number, since 1 + 143 + 437 + 81 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143437819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306517 + ... + 310224.

It is an arithmetic number, because the mean of its divisors is an integer number (104229398).

Almost surely, 2^1143437814 is an apocalyptic number.

1143437814 is an abundant number, since it is smaller than the sum of its proper divisors (1358067738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143437814 is a wasteful number, since it uses less digits than its factorization.

1143437814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616852 (or 616849 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 1143437814 is about 33814.7573405459. The cubic root of 1143437814 is about 1045.6929582711.

The spelling of 1143437814 in words is "one billion, one hundred forty-three million, four hundred thirty-seven thousand, eight hundred fourteen".