144231555520424 has 8 divisors (see below), whose sum is σ = 270434166600810. Its totient is φ = 72115777760208.

The previous prime is 144231555520373. The next prime is 144231555520433. The reversal of 144231555520424 is 424025555132441.

It can be written as a sum of positive squares in only one way, i.e., 132549583468324 + 11681972052100 = 11513018^2 + 3417890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×144231555520424² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9014472220019 + ... + 9014472220034.

Almost surely, 2^{144231555520424} is an apocalyptic number.

It is an amenable number.

144231555520424 is a deficient number, since it is larger than the sum of its proper divisors (126202611080386).

144231555520424 is a wasteful number, since it uses less digits than its factorization.

144231555520424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18028944440059 (or 18028944440055 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 144231555520424 in words is "one hundred forty-four trillion, two hundred thirty-one billion, five hundred fifty-five million, five hundred twenty thousand, four hundred twenty-four".