1143233416 has 16 divisors (see below), whose sum is σ = 2308452300. Its totient is φ = 527646144.

The previous prime is 1143233347. The next prime is 1143233417. The reversal of 1143233416 is 6143323411.

It can be written as a sum of positive squares in 2 ways, for example, as 1039804516 + 103428900 = 32246^2 + 10170^2 .

It is not an unprimeable number, because it can be changed into a prime (1143233417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5496211 + ... + 5496418.

Almost surely, 2^1143233416 is an apocalyptic number.

It is an amenable number.

1143233416 is an abundant number, since it is smaller than the sum of its proper divisors (1165218884).

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

1143233416 is a wasteful number, since it uses less digits than its factorization.

1143233416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10992648 (or 10992644 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 1143233416 is about 33811.7348859830. The cubic root of 1143233416 is about 1045.6306460976.

Adding to 1143233416 its reverse (6143323411), we get a palindrome (7286556827).

The spelling of 1143233416 in words is "one billion, one hundred forty-three million, two hundred thirty-three thousand, four hundred sixteen".