144044332210421 has 32 divisors (see below), whose sum is σ = 151627279104000. Its totient is φ = 136577171269440.

The previous prime is 144044332210403. The next prime is 144044332210451. The reversal of 144044332210421 is 124012233440441.

It is a de Polignac number, because none of the positive numbers 2^k-144044332210421 is a prime.

It is a super-2 number, since 2×144044332210421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144044332210451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2161853135 + ... + 2161919763.

It is an arithmetic number, because the mean of its divisors is an integer number (4738352472000).

Almost surely, 2^{144044332210421} is an apocalyptic number.

It is an amenable number.

144044332210421 is a deficient number, since it is larger than the sum of its proper divisors (7582946893579).

144044332210421 is a wasteful number, since it uses less digits than its factorization.

144044332210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68609.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 144044332210421 its reverse (124012233440441), we get a palindrome (268056565650862).

The spelling of 144044332210421 in words is "one hundred forty-four trillion, forty-four billion, three hundred thirty-two million, two hundred ten thousand, four hundred twenty-one".