2144143444 has 24 divisors (see below), whose sum is σ = 3969040320. Its totient is φ = 1011409344.

The previous prime is 2144143433. The next prime is 2144143457. The reversal of 2144143444 is 4443414412.

It is a super-2 number, since 2×2144143444² = 9194702216896362272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152914 + ... + 166345.

It is an arithmetic number, because the mean of its divisors is an integer number (165376680).

Almost surely, 2^2144143444 is an apocalyptic number.

It is an amenable number.

2144143444 is a deficient number, since it is larger than the sum of its proper divisors (1824896876).

2144143444 is a wasteful number, since it uses less digits than its factorization.

2144143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319359 (or 319357 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

The square root of 2144143444 is about 46304.8965445340. The cubic root of 2144143444 is about 1289.4899018806.

Adding to 2144143444 its reverse (4443414412), we get a palindrome (6587557856).

The spelling of 2144143444 in words is "two billion, one hundred forty-four million, one hundred forty-three thousand, four hundred forty-four".