1442130343 has 4 divisors (see below), whose sum is σ = 1518031960. Its totient is φ = 1366228728.

The previous prime is 1442130329. The next prime is 1442130353. The reversal of 1442130343 is 3430312441.

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 1442130343 - 2²⁹ = 905259431 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 (1442130353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37950780 + ... + 37950817.

It is an arithmetic number, because the mean of its divisors is an integer number (379507990).

Almost surely, 2^1442130343 is an apocalyptic number.

1442130343 is a deficient number, since it is larger than the sum of its proper divisors (75901617).

1442130343 is an equidigital number, since it uses as much as digits as its factorization.

1442130343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75901616.

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

The square root of 1442130343 is about 37975.3912817235. The cubic root of 1442130343 is about 1129.7998295812.

Adding to 1442130343 its reverse (3430312441), we get a palindrome (4872442784).

The spelling of 1442130343 in words is "one billion, four hundred forty-two million, one hundred thirty thousand, three hundred forty-three".