1442097844 has 18 divisors (see below), whose sum is σ = 2773953602. Its totient is φ = 655498800.

The previous prime is 1442097793. The next prime is 1442097871. The reversal of 1442097844 is 4487902441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1058721444 + 383376400 = 32538^2 + 19580^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1442097844.

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 in 5 ways as a sum of consecutive naturals, for example, 1489287 + ... + 1490254.

Almost surely, 2^1442097844 is an apocalyptic number.

It is an amenable number.

1442097844 is a deficient number, since it is larger than the sum of its proper divisors (1331855758).

1442097844 is a wasteful number, since it uses less digits than its factorization.

1442097844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979567 (or 2979554 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 1442097844 is about 37974.9633837875. The cubic root of 1442097844 is about 1129.7913426830.

The spelling of 1442097844 in words is "one billion, four hundred forty-two million, ninety-seven thousand, eight hundred forty-four".