144144531540056 has 64 divisors (see below), whose sum is σ = 271492909800000. Its totient is φ = 71747154832896.

The previous prime is 144144531540043. The next prime is 144144531540071. The reversal of 144144531540056 is 650045135441441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13518191381 + ... + 13518202043.

It is an arithmetic number, because the mean of its divisors is an integer number (4242076715625).

Almost surely, 2^{144144531540056} is an apocalyptic number.

It is an amenable number.

144144531540056 is a deficient number, since it is larger than the sum of its proper divisors (127348378259944).

144144531540056 is a wasteful number, since it uses less digits than its factorization.

144144531540056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18556 (or 18552 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 47.

Adding to 144144531540056 its reverse (650045135441441), we get a palindrome (794189666981497).

The spelling of 144144531540056 in words is "one hundred forty-four trillion, one hundred forty-four billion, five hundred thirty-one million, five hundred forty thousand, fifty-six".