1143000208 has 40 divisors (see below), whose sum is σ = 2532645440. Its totient is φ = 489525120.

The previous prime is 1143000193. The next prime is 1143000217. The reversal of 1143000208 is 8020003411.

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, 236278 + ... + 241066.

It is an arithmetic number, because the mean of its divisors is an integer number (63316136).

Almost surely, 2^1143000208 is an apocalyptic number.

It is an amenable number.

1143000208 is an abundant number, since it is smaller than the sum of its proper divisors (1389645232).

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

1143000208 is a wasteful number, since it uses less digits than its factorization.

1143000208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935 (or 6929 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1143000208 is about 33808.2860849230. The cubic root of 1143000208 is about 1045.5595419203.

Adding to 1143000208 its reverse (8020003411), we get a palindrome (9163003619).

The spelling of 1143000208 in words is "one billion, one hundred forty-three million, two hundred eight", and thus it is an aban number.