1144143244 has 6 divisors (see below), whose sum is σ = 2002250684. Its totient is φ = 572071620.

The previous prime is 1144143241. The next prime is 1144143271. The reversal of 1144143244 is 4423414411.

It is not an unprimeable number, because it can be changed into a prime (1144143241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143017902 + ... + 143017909.

Almost surely, 2^1144143244 is an apocalyptic number.

It is an amenable number.

1144143244 is a deficient number, since it is larger than the sum of its proper divisors (858107440).

1144143244 is a wasteful number, since it uses less digits than its factorization.

1144143244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286035815 (or 286035813 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 1144143244 is about 33825.1865331146. The cubic root of 1144143244 is about 1045.9079565651.

Adding to 1144143244 its reverse (4423414411), we get a palindrome (5567557655).

The spelling of 1144143244 in words is "one billion, one hundred forty-four million, one hundred forty-three thousand, two hundred forty-four".