144324130124421 has 12 divisors (see below), whose sum is σ = 224504202415948. Its totient is φ = 88814849307264.

The previous prime is 144324130124387. The next prime is 144324130124479. The reversal of 144324130124421 is 124421031423441.

144324130124421 is a `hidden beast` number, since 1 + 4 + 4 + 324 + 1 + 301 + 2 + 4 + 4 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88663786661025 + 55660343463396 = 9416145^2 + 7460586^2 .

It is not a de Polignac number, because 144324130124421 - 2¹¹ = 144324130122373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144324130124021) 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, 616769786740 + ... + 616769786973.

Almost surely, 2^{144324130124421} is an apocalyptic number.

It is an amenable number.

144324130124421 is a deficient number, since it is larger than the sum of its proper divisors (80180072291527).

144324130124421 is a wasteful number, since it uses less digits than its factorization.

144324130124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233539573732 (or 1233539573729 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 144324130124421 its reverse (124421031423441), we get a palindrome (268745161547862).

The spelling of 144324130124421 in words is "one hundred forty-four trillion, three hundred twenty-four billion, one hundred thirty million, one hundred twenty-four thousand, four hundred twenty-one".