144221221043 has 16 divisors (see below), whose sum is σ = 152956014336. Its totient is φ = 135744491520.

The previous prime is 144221221031. The next prime is 144221221049. The reversal of 144221221043 is 340122122441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144221221043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144221221049) 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, 3134855 + ... + 3180527.

It is an arithmetic number, because the mean of its divisors is an integer number (9559750896).

Almost surely, 2^144221221043 is an apocalyptic number.

144221221043 is a deficient number, since it is larger than the sum of its proper divisors (8734793293).

144221221043 is a wasteful number, since it uses less digits than its factorization.

144221221043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48494.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 144221221043 its reverse (340122122441), we get a palindrome (484343343484).

The spelling of 144221221043 in words is "one hundred forty-four billion, two hundred twenty-one million, two hundred twenty-one thousand, forty-three".