1442333243 has 16 divisors (see below), whose sum is σ = 1635197760. Its totient is φ = 1262198784.

The previous prime is 1442333237. The next prime is 1442333267. The reversal of 1442333243 is 3423332441.

It is not a de Polignac number, because 1442333243 - 2⁸ = 1442332987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442333203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12443 + ... + 55131.

It is an arithmetic number, because the mean of its divisors is an integer number (102199860).

Almost surely, 2^1442333243 is an apocalyptic number.

1442333243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1442333243 is a deficient number, since it is larger than the sum of its proper divisors (192864517).

1442333243 is a wasteful number, since it uses less digits than its factorization.

1442333243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42838.

The product of its digits is 20736, while the sum is 29.

The square root of 1442333243 is about 37978.0626546431. The cubic root of 1442333243 is about 1129.8528126875.

Adding to 1442333243 its reverse (3423332441), we get a palindrome (4865665684).

It can be divided in two parts, 1 and 442333243, that added together give a palindrome (442333244).

The spelling of 1442333243 in words is "one billion, four hundred forty-two million, three hundred thirty-three thousand, two hundred forty-three".