1443143241 has 6 divisors (see below), whose sum is σ = 2084540250. Its totient is φ = 962095488.

The previous prime is 1443143239. The next prime is 1443143249. The reversal of 1443143241 is 1423413441.

It can be written as a sum of positive squares in only one way, i.e., 797780025 + 645363216 = 28245^2 + 25404^2 .

It is not a de Polignac number, because 1443143241 - 2¹ = 1443143239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1443143249) 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 5 ways as a sum of consecutive naturals, for example, 80174616 + ... + 80174633.

It is an arithmetic number, because the mean of its divisors is an integer number (347423375).

Almost surely, 2^1443143241 is an apocalyptic number.

It is an amenable number.

1443143241 is a deficient number, since it is larger than the sum of its proper divisors (641397009).

1443143241 is a wasteful number, since it uses less digits than its factorization.

1443143241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160349255 (or 160349252 counting only the distinct ones).

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

The square root of 1443143241 is about 37988.7251826117. The cubic root of 1443143241 is about 1130.0642772845.

Adding to 1443143241 its reverse (1423413441), we get a palindrome (2866556682).

The spelling of 1443143241 in words is "one billion, four hundred forty-three million, one hundred forty-three thousand, two hundred forty-one".