144563661212 has 12 divisors (see below), whose sum is σ = 266301481320. Its totient is φ = 68477523696.

The previous prime is 144563661211. The next prime is 144563661217. The reversal of 144563661212 is 212166365441.

It is a self number, because there is not a number n which added to its sum of digits gives 144563661212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144563661211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951076643 + ... + 951076794.

It is an arithmetic number, because the mean of its divisors is an integer number (22191790110).

Almost surely, 2^144563661212 is an apocalyptic number.

It is an amenable number.

144563661212 is a deficient number, since it is larger than the sum of its proper divisors (121737820108).

144563661212 is a wasteful number, since it uses less digits than its factorization.

144563661212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902153460 (or 1902153458 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The spelling of 144563661212 in words is "one hundred forty-four billion, five hundred sixty-three million, six hundred sixty-one thousand, two hundred twelve".