1142443304 has 32 divisors (see below), whose sum is σ = 2239151040. Its totient is φ = 545424000.

The previous prime is 1142443303. The next prime is 1142443361. The reversal of 1142443304 is 4033442411.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1142443301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105419 + ... + 115749.

It is an arithmetic number, because the mean of its divisors is an integer number (69973470).

Almost surely, 2^1142443304 is an apocalyptic number.

It is an amenable number.

1142443304 is a deficient number, since it is larger than the sum of its proper divisors (1096707736).

1142443304 is a wasteful number, since it uses less digits than its factorization.

1142443304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961 (or 10957 counting only the distinct ones).

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

The square root of 1142443304 is about 33800.0488757043. The cubic root of 1142443304 is about 1045.3897050063.

Adding to 1142443304 its reverse (4033442411), we get a palindrome (5175885715).

The spelling of 1142443304 in words is "one billion, one hundred forty-two million, four hundred forty-three thousand, three hundred four".