1144111141442 has 8 divisors (see below), whose sum is σ = 1716176398476. Its totient is φ = 572052341952.

The previous prime is 1144111141429. The next prime is 1144111141447. The reversal of 1144111141442 is 2441411114411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1127905596841 + 16205544601 = 1062029^2 + 127301^2 .

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

It is a super-2 number, since 2×1144111141442² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144111141447) 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, 1144043 + ... + 1896590.

Almost surely, 2^{1144111141442} is an apocalyptic number.

1144111141442 is a deficient number, since it is larger than the sum of its proper divisors (572065257034).

1144111141442 is a wasteful number, since it uses less digits than its factorization.

1144111141442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228772.

The product of its digits is 2048, while the sum is 29.

Adding to 1144111141442 its reverse (2441411114411), we get a palindrome (3585522255853).

The spelling of 1144111141442 in words is "one trillion, one hundred forty-four billion, one hundred eleven million, one hundred forty-one thousand, four hundred forty-two".