1442331343 has 8 divisors (see below), whose sum is σ = 1458017280. Its totient is φ = 1426730520.

The previous prime is 1442331337. The next prime is 1442331349. The reversal of 1442331343 is 3431332441.

It is an interprime number because it is at equal distance from previous prime (1442331337) and next prime (1442331349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442331343 - 2²⁵ = 1408776911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442331349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13096 + ... + 55282.

It is an arithmetic number, because the mean of its divisors is an integer number (182252160).

Almost surely, 2^1442331343 is an apocalyptic number.

1442331343 is a deficient number, since it is larger than the sum of its proper divisors (15685937).

1442331343 is a wasteful number, since it uses less digits than its factorization.

1442331343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42557.

The product of its digits is 10368, while the sum is 28.

The square root of 1442331343 is about 37978.0376401941. The cubic root of 1442331343 is about 1129.8523165651.

Adding to 1442331343 its reverse (3431332441), we get a palindrome (4873663784).

The spelling of 1442331343 in words is "one billion, four hundred forty-two million, three hundred thirty-one thousand, three hundred forty-three".