1144441442 has 16 divisors (see below), whose sum is σ = 1778837760. Its totient is φ = 551561808.

The previous prime is 1144441427. The next prime is 1144441447. The reversal of 1144441442 is 2441444411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1144441447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18953 + ... + 51459.

It is an arithmetic number, because the mean of its divisors is an integer number (111177360).

Almost surely, 2^1144441442 is an apocalyptic number.

1144441442 is a deficient number, since it is larger than the sum of its proper divisors (634396318).

1144441442 is a wasteful number, since it uses less digits than its factorization.

1144441442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33145.

The product of its digits is 8192, while the sum is 29.

The square root of 1144441442 is about 33829.5941743320. The cubic root of 1144441442 is about 1045.9988136528.

Adding to 1144441442 its reverse (2441444411), we get a palindrome (3585885853).

The spelling of 1144441442 in words is "one billion, one hundred forty-four million, four hundred forty-one thousand, four hundred forty-two".