1214444311144 has 8 divisors (see below), whose sum is σ = 2277083083410. Its totient is φ = 607222155568.

The previous prime is 1214444311139. The next prime is 1214444311147. The reversal of 1214444311144 is 4411134444121.

It can be written as a sum of positive squares in only one way, i.e., 1036604987044 + 177839324100 = 1018138^2 + 421710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1214444311147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75902769439 + ... + 75902769454.

Almost surely, 2^{1214444311144} is an apocalyptic number.

It is an amenable number.

1214444311144 is a deficient number, since it is larger than the sum of its proper divisors (1062638772266).

1214444311144 is a wasteful number, since it uses less digits than its factorization.

1214444311144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151805538899 (or 151805538895 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

Adding to 1214444311144 its reverse (4411134444121), we get a palindrome (5625578755265).

The spelling of 1214444311144 in words is "one trillion, two hundred fourteen billion, four hundred forty-four million, three hundred eleven thousand, one hundred forty-four".