1442112394 has 8 divisors (see below), whose sum is σ = 2163503520. Its totient is φ = 720944556.

The previous prime is 1442112391. The next prime is 1442112409. The reversal of 1442112394 is 4932112441.

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

It is a super-2 number, since 2×1442112394² = 4159376313856822472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442112391) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 38614 + ... + 66145.

It is an arithmetic number, because the mean of its divisors is an integer number (270437940).

Almost surely, 2^1442112394 is an apocalyptic number.

1442112394 is a deficient number, since it is larger than the sum of its proper divisors (721391126).

1442112394 is a wasteful number, since it uses less digits than its factorization.

1442112394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111644.

The product of its digits is 6912, while the sum is 31.

The square root of 1442112394 is about 37975.1549568925. The cubic root of 1442112394 is about 1129.7951423347.

The spelling of 1442112394 in words is "one billion, four hundred forty-two million, one hundred twelve thousand, three hundred ninety-four".