1143004004 has 6 divisors (see below), whose sum is σ = 2000257014. Its totient is φ = 571502000.

The previous prime is 1143003977. The next prime is 1143004019. The reversal of 1143004004 is 4004003411.

It can be written as a sum of positive squares in only one way, i.e., 1064716900 + 78287104 = 32630^2 + 8848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142875497 + ... + 142875504.

It is an arithmetic number, because the mean of its divisors is an integer number (333376169).

Almost surely, 2^1143004004 is an apocalyptic number.

It is an amenable number.

1143004004 is a deficient number, since it is larger than the sum of its proper divisors (857253010).

1143004004 is a wasteful number, since it uses less digits than its factorization.

1143004004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285751005 (or 285751003 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1143004004 is about 33808.3422249598. The cubic root of 1143004004 is about 1045.5606993828.

Adding to 1143004004 its reverse (4004003411), we get a palindrome (5147007415).

The spelling of 1143004004 in words is "one billion, one hundred forty-three million, four thousand, four".