1144340043442 has 32 divisors (see below), whose sum is σ = 1786063471920. Its totient is φ = 549217751040.

The previous prime is 1144340043389. The next prime is 1144340043443. The reversal of 1144340043442 is 2443400434411.

It can be written as a sum of positive squares in 8 ways, for example, as 25418243761 + 1118921799681 = 159431^2 + 1057791^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1144340043398 and 1144340043407.

It is not an unprimeable number, because it can be changed into a prime (1144340043443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37956198 + ... + 37986334.

Almost surely, 2^{1144340043442} is an apocalyptic number.

1144340043442 is a deficient number, since it is larger than the sum of its proper divisors (641723428478).

1144340043442 is a wasteful number, since it uses less digits than its factorization.

1144340043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33966.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 1144340043442 its reverse (2443400434411), we get a palindrome (3587740477853).

The spelling of 1144340043442 in words is "one trillion, one hundred forty-four billion, three hundred forty million, forty-three thousand, four hundred forty-two".