1142200044442 has 8 divisors (see below), whose sum is σ = 1716150817332. Its totient is φ = 570149772000.

The previous prime is 1142200044437. The next prime is 1142200044443. The reversal of 1142200044442 is 2444400022411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 951134018121 + 191066026321 = 975261^2 + 437111^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1142200044442.

It is not an unprimeable number, because it can be changed into a prime (1142200044443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475123609 + ... + 475126012.

Almost surely, 2^{1142200044442} is an apocalyptic number.

1142200044442 is a deficient number, since it is larger than the sum of its proper divisors (573950772890).

1142200044442 is an equidigital number, since it uses as much as digits as its factorization.

1142200044442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950250224.

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

Adding to 1142200044442 its reverse (2444400022411), we get a palindrome (3586600066853).

The spelling of 1142200044442 in words is "one trillion, one hundred forty-two billion, two hundred million, forty-four thousand, four hundred forty-two".