1442281794 has 8 divisors (see below), whose sum is σ = 2884563600. Its totient is φ = 480760596.

The previous prime is 1442281781. The next prime is 1442281817. The reversal of 1442281794 is 4971822441.

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

1442281794 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120190144 + ... + 120190155.

It is an arithmetic number, because the mean of its divisors is an integer number (360570450).

Almost surely, 2^1442281794 is an apocalyptic number.

1442281794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442281794 is a wasteful number, since it uses less digits than its factorization.

1442281794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240380304.

The product of its digits is 129024, while the sum is 42.

The square root of 1442281794 is about 37977.3852970422. The cubic root of 1442281794 is about 1129.8393783237.

The spelling of 1442281794 in words is "one billion, four hundred forty-two million, two hundred eighty-one thousand, seven hundred ninety-four".