1244143143 has 12 divisors (see below), whose sum is σ = 1805615448. Its totient is φ = 825496560.

The previous prime is 1244143111. The next prime is 1244143171. The reversal of 1244143143 is 3413414421.

It is not a de Polignac number, because 1244143143 - 2⁵ = 1244143111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244143543) 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 in 11 ways as a sum of consecutive naturals, for example, 325680 + ... + 329477.

It is an arithmetic number, because the mean of its divisors is an integer number (150467954).

Almost surely, 2^1244143143 is an apocalyptic number.

1244143143 is a deficient number, since it is larger than the sum of its proper divisors (561472305).

1244143143 is a wasteful number, since it uses less digits than its factorization.

1244143143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655374 (or 655371 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1244143143 is about 35272.4133424409. The cubic root of 1244143143 is about 1075.5322817032.

Adding to 1244143143 its reverse (3413414421), we get a palindrome (4657557564).

The spelling of 1244143143 in words is "one billion, two hundred forty-four million, one hundred forty-three thousand, one hundred forty-three".