1442842894 has 4 divisors (see below), whose sum is σ = 2164264344. Its totient is φ = 721421446.

The previous prime is 1442842859. The next prime is 1442842897. The reversal of 1442842894 is 4982482441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4982482441 = 241 ⋅20674201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442842897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360710722 + ... + 360710725.

It is an arithmetic number, because the mean of its divisors is an integer number (541066086).

Almost surely, 2^1442842894 is an apocalyptic number.

1442842894 is a deficient number, since it is larger than the sum of its proper divisors (721421450).

1442842894 is an equidigital number, since it uses as much as digits as its factorization.

1442842894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721421449.

The product of its digits is 589824, while the sum is 46.

The square root of 1442842894 is about 37984.7718697901. The cubic root of 1442842894 is about 1129.9858755120.

The spelling of 1442842894 in words is "one billion, four hundred forty-two million, eight hundred forty-two thousand, eight hundred ninety-four".