1143004213 has 16 divisors (see below), whose sum is σ = 1245315456. Its totient is φ = 1042816320.

The previous prime is 1143004207. The next prime is 1143004237. The reversal of 1143004213 is 3124003411.

It is not a de Polignac number, because 1143004213 - 2¹⁷ = 1142873141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143004243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470520 + ... + 472942.

It is an arithmetic number, because the mean of its divisors is an integer number (77832216).

Almost surely, 2^1143004213 is an apocalyptic number.

1143004213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1143004213 is a deficient number, since it is larger than the sum of its proper divisors (102311243).

1143004213 is a wasteful number, since it uses less digits than its factorization.

1143004213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1143004213 is about 33808.3453159128. The cubic root of 1143004213 is about 1045.5607631102.

Adding to 1143004213 its reverse (3124003411), we get a palindrome (4267007624).

The spelling of 1143004213 in words is "one billion, one hundred forty-three million, four thousand, two hundred thirteen".