144332412013021 has 8 divisors (see below), whose sum is σ = 144435939057720. Its totient is φ = 144228894147072.

The previous prime is 144332412012961. The next prime is 144332412013063. The reversal of 144332412013021 is 120310214233441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 109690829808921 + 34641582204100 = 10473339^2 + 5885710^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144332412013021 - 2¹¹ = 144332412010973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144332412013921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29321961 + ... + 33888673.

It is an arithmetic number, because the mean of its divisors is an integer number (18054492382215).

Almost surely, 2^{144332412013021} is an apocalyptic number.

It is an amenable number.

144332412013021 is a deficient number, since it is larger than the sum of its proper divisors (103527044699).

144332412013021 is a wasteful number, since it uses less digits than its factorization.

144332412013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589375.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 144332412013021 its reverse (120310214233441), we get a palindrome (264642626246462).

The spelling of 144332412013021 in words is "one hundred forty-four trillion, three hundred thirty-two billion, four hundred twelve million, thirteen thousand, twenty-one".