144342011034221 has 144 divisors (see below), whose sum is σ = 204512760600624. Its totient is φ = 100854673920000.

The previous prime is 144342011034197. The next prime is 144342011034257. The reversal of 144342011034221 is 122430110243441.

It can be written as a sum of positive squares in 8 ways, for example, as 1793001340900 + 142549009693321 = 1339030^2 + 11939389^2 .

It is a de Polignac number, because none of the positive numbers 2^k-144342011034221 is a prime.

It is a super-2 number, since 2×144342011034221² (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 (144342011031221) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 412418261 + ... + 412768101.

It is an arithmetic number, because the mean of its divisors is an integer number (1420227504171).

Almost surely, 2^{144342011034221} is an apocalyptic number.

144342011034221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144342011034221 is a deficient number, since it is larger than the sum of its proper divisors (60170749566403).

144342011034221 is a wasteful number, since it uses less digits than its factorization.

144342011034221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350044 (or 350026 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 144342011034221 its reverse (122430110243441), we get a palindrome (266772121277662).

The spelling of 144342011034221 in words is "one hundred forty-four trillion, three hundred forty-two billion, eleven million, thirty-four thousand, two hundred twenty-one".