1442331043 has 4 divisors (see below), whose sum is σ = 1463858440. Its totient is φ = 1420803648.

The previous prime is 1442331041. The next prime is 1442331053. The reversal of 1442331043 is 3401332441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442331043 - 2¹ = 1442331041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442330999 and 1442331017.

It is not an unprimeable number, because it can be changed into a prime (1442331041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10763598 + ... + 10763731.

It is an arithmetic number, because the mean of its divisors is an integer number (365964610).

Almost surely, 2^1442331043 is an apocalyptic number.

1442331043 is a deficient number, since it is larger than the sum of its proper divisors (21527397).

1442331043 is an equidigital number, since it uses as much as digits as its factorization.

1442331043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21527396.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1442331043 is about 37978.0336905427. The cubic root of 1442331043 is about 1129.8522382300.

Adding to 1442331043 its reverse (3401332441), we get a palindrome (4843663484).

The spelling of 1442331043 in words is "one billion, four hundred forty-two million, three hundred thirty-one thousand, forty-three".