1143442304 has 64 divisors (see below), whose sum is σ = 2428036560. Its totient is φ = 534503424.

The previous prime is 1143442177. The next prime is 1143442327. The reversal of 1143442304 is 4032443411.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 339959 + ... + 343305.

Almost surely, 2^1143442304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143442304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214018280).

1143442304 is an abundant number, since it is smaller than the sum of its proper divisors (1284594256).

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

1143442304 is a wasteful number, since it uses less digits than its factorization.

1143442304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1143442304 is about 33814.8237316121. The cubic root of 1143442304 is about 1045.6943269959.

Adding to 1143442304 its reverse (4032443411), we get a palindrome (5175885715).

The spelling of 1143442304 in words is "one billion, one hundred forty-three million, four hundred forty-two thousand, three hundred four".