1143241356 has 24 divisors (see below), whose sum is σ = 2668216320. Its totient is φ = 380987152.

The previous prime is 1143241349. The next prime is 1143241367. The reversal of 1143241356 is 6531423411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54325 + ... + 72371.

It is an arithmetic number, because the mean of its divisors is an integer number (111175680).

Almost surely, 2^1143241356 is an apocalyptic number.

It is an amenable number.

1143241356 is an abundant number, since it is smaller than the sum of its proper divisors (1524974964).

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

1143241356 is a wasteful number, since it uses less digits than its factorization.

1143241356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23333 (or 23331 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 1143241356 is about 33811.8523006356. The cubic root of 1143241356 is about 1045.6330668013.

Adding to 1143241356 its reverse (6531423411), we get a palindrome (7674664767).

The spelling of 1143241356 in words is "one billion, one hundred forty-three million, two hundred forty-one thousand, three hundred fifty-six".