1442404142 has 4 divisors (see below), whose sum is σ = 2163606216. Its totient is φ = 721202070.

The previous prime is 1442404127. The next prime is 1442404157. The reversal of 1442404142 is 2414042441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2414042441 = 23 ⋅104958367.

It is an interprime number because it is at equal distance from previous prime (1442404127) and next prime (1442404157).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 360601034 + ... + 360601037.

It is an arithmetic number, because the mean of its divisors is an integer number (540901554).

Almost surely, 2^1442404142 is an apocalyptic number.

1442404142 is a deficient number, since it is larger than the sum of its proper divisors (721202074).

1442404142 is an equidigital number, since it uses as much as digits as its factorization.

1442404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721202073.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1442404142 is about 37978.9960636139. The cubic root of 1442404142 is about 1129.8713253122.

Adding to 1442404142 its reverse (2414042441), we get a palindrome (3856446583).

The spelling of 1442404142 in words is "one billion, four hundred forty-two million, four hundred four thousand, one hundred forty-two".