1143245336 has 16 divisors (see below), whose sum is σ = 2144814000. Its totient is φ = 571294944.

The previous prime is 1143245303. The next prime is 1143245381. The reversal of 1143245336 is 6335423411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25811 + ... + 54338.

It is an arithmetic number, because the mean of its divisors is an integer number (134050875).

Almost surely, 2^1143245336 is an apocalyptic number.

It is an amenable number.

1143245336 is a deficient number, since it is larger than the sum of its proper divisors (1001568664).

1143245336 is a wasteful number, since it uses less digits than its factorization.

1143245336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81938 (or 81934 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 1143245336 is about 33811.9111556860. The cubic root of 1143245336 is about 1045.6342801977.

Adding to 1143245336 its reverse (6335423411), we get a palindrome (7478668747).

The spelling of 1143245336 in words is "one billion, one hundred forty-three million, two hundred forty-five thousand, three hundred thirty-six".