143111303444 has 12 divisors (see below), whose sum is σ = 250457534964. Its totient is φ = 71552007744.

The previous prime is 143111303441. The next prime is 143111303539. The reversal of 143111303444 is 444303111341.

It can be written as a sum of positive squares in 2 ways, for example, as 90733488400 + 52377815044 = 301220^2 + 228862^2 .

It is a super-2 number, since 2×143111303444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143111303441) 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 3 ways as a sum of consecutive naturals, for example, 821657 + ... + 980480.

It is an arithmetic number, because the mean of its divisors is an integer number (20871461247).

Almost surely, 2^143111303444 is an apocalyptic number.

It is an amenable number.

143111303444 is a deficient number, since it is larger than the sum of its proper divisors (107346231520).

143111303444 is a wasteful number, since it uses less digits than its factorization.

143111303444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821994 (or 1821992 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 143111303444 its reverse (444303111341), we get a palindrome (587414414785).

The spelling of 143111303444 in words is "one hundred forty-three billion, one hundred eleven million, three hundred three thousand, four hundred forty-four".