1144424242 has 16 divisors (see below), whose sum is σ = 1851796800. Its totient is φ = 527306832.

The previous prime is 1144424227. The next prime is 1144424243. The reversal of 1144424242 is 2424244411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144424242.

It is not an unprimeable number, because it can be changed into a prime (1144424243) 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, 21168 + ... + 52315.

It is an arithmetic number, because the mean of its divisors is an integer number (115737300).

Almost surely, 2^1144424242 is an apocalyptic number.

1144424242 is a deficient number, since it is larger than the sum of its proper divisors (707372558).

1144424242 is a wasteful number, since it uses less digits than its factorization.

1144424242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74097.

The product of its digits is 8192, while the sum is 28.

The square root of 1144424242 is about 33829.3399580896. The cubic root of 1144424242 is about 1045.9935734634.

Adding to 1144424242 its reverse (2424244411), we get a palindrome (3568668653).

The spelling of 1144424242 in words is "one billion, one hundred forty-four million, four hundred twenty-four thousand, two hundred forty-two".