1443312242 has 4 divisors (see below), whose sum is σ = 2164968366. Its totient is φ = 721656120.

The previous prime is 1443312203. The next prime is 1443312251. The reversal of 1443312242 is 2422133441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1323431641 + 119880601 = 36379^2 + 10949^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360828059 + ... + 360828062.

Almost surely, 2^1443312242 is an apocalyptic number.

1443312242 is a deficient number, since it is larger than the sum of its proper divisors (721656124).

1443312242 is an equidigital number, since it uses as much as digits as its factorization.

1443312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721656123.

The product of its digits is 4608, while the sum is 26.

The square root of 1443312242 is about 37990.9494748420. The cubic root of 1443312242 is about 1130.1083880683.

Adding to 1443312242 its reverse (2422133441), we get a palindrome (3865445683).

The spelling of 1443312242 in words is "one billion, four hundred forty-three million, three hundred twelve thousand, two hundred forty-two".