1442343142 has 4 divisors (see below), whose sum is σ = 2163514716. Its totient is φ = 721171570.

The previous prime is 1442343127. The next prime is 1442343151. The reversal of 1442343142 is 2413432441.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1442343142.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 360585784 + ... + 360585787.

It is an arithmetic number, because the mean of its divisors is an integer number (540878679).

Almost surely, 2^1442343142 is an apocalyptic number.

1442343142 is a deficient number, since it is larger than the sum of its proper divisors (721171574).

1442343142 is an equidigital number, since it uses as much as digits as its factorization.

1442343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721171573.

The product of its digits is 9216, while the sum is 28.

The square root of 1442343142 is about 37978.1929796561. The cubic root of 1442343142 is about 1129.8553974779.

Adding to 1442343142 its reverse (2413432441), we get a palindrome (3855775583).

The spelling of 1442343142 in words is "one billion, four hundred forty-two million, three hundred forty-three thousand, one hundred forty-two".