144104133210021 has 12 divisors (see below), whose sum is σ = 208153329327372. Its totient is φ = 96068076898176.

The previous prime is 144104133210013. The next prime is 144104133210043. The reversal of 144104133210021 is 120012331401441.

It is a happy number.

144104133210021 is a `hidden beast` number, since 1 + 4 + 4 + 10 + 413 + 3 + 210 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 105336250589025 + 38767882620996 = 10263345^2 + 6226386^2 .

It is not a de Polignac number, because 144104133210021 - 2³ = 144104133210013 is a prime.

It is a super-2 number, since 2×144104133210021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144104133210071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111424836 + ... + 112710701.

It is an arithmetic number, because the mean of its divisors is an integer number (17346110777281).

Almost surely, 2^{144104133210021} is an apocalyptic number.

It is an amenable number.

144104133210021 is a deficient number, since it is larger than the sum of its proper divisors (64049196117351).

144104133210021 is a wasteful number, since it uses less digits than its factorization.

144104133210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224206980 (or 224206977 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 144104133210021 its reverse (120012331401441), we get a palindrome (264116464611462).

The spelling of 144104133210021 in words is "one hundred forty-four trillion, one hundred four billion, one hundred thirty-three million, two hundred ten thousand, twenty-one".