1144442442 has 48 divisors (see below), whose sum is σ = 2709433440. Its totient is φ = 320121120.

The previous prime is 1144442437. The next prime is 1144442443. The reversal of 1144442442 is 2442444411.

It is not an unprimeable number, because it can be changed into a prime (1144442443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51192 + ... + 70067.

It is an arithmetic number, because the mean of its divisors is an integer number (56446530).

Almost surely, 2^1144442442 is an apocalyptic number.

1144442442 is an abundant number, since it is smaller than the sum of its proper divisors (1564990998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144442442 is a wasteful number, since it uses less digits than its factorization.

1144442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121299 (or 121288 counting only the distinct ones).

The product of its digits is 16384, while the sum is 30.

The square root of 1144442442 is about 33829.6089542874. The cubic root of 1144442442 is about 1045.9991183133. Note that the first 3 decimals are identical.

Adding to 1144442442 its reverse (2442444411), we get a palindrome (3586886853).

It can be divided in two parts, 114444 and 2442, that added together give a triangular number (116886 = T₄₈₃).

The spelling of 1144442442 in words is "one billion, one hundred forty-four million, four hundred forty-two thousand, four hundred forty-two".