1144005442 has 8 divisors (see below), whose sum is σ = 1762386876. Its totient is φ = 556543152.

The previous prime is 1144005439. The next prime is 1144005451. The reversal of 1144005442 is 2445004411.

It can be written as a sum of positive squares in 2 ways, for example, as 979627401 + 164378041 = 31299^2 + 12821^2 .

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

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, 7729693 + ... + 7729840.

Almost surely, 2^1144005442 is an apocalyptic number.

1144005442 is a deficient number, since it is larger than the sum of its proper divisors (618381434).

1144005442 is a wasteful number, since it uses less digits than its factorization.

1144005442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15459572.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1144005442 is about 33823.1494985313. The cubic root of 1144005442 is about 1045.8659647383.

Adding to 1144005442 its reverse (2445004411), we get a palindrome (3589009853).

The spelling of 1144005442 in words is "one billion, one hundred forty-four million, five thousand, four hundred forty-two".