144556021107444 has 48 divisors (see below), whose sum is σ = 338787161608896. Its totient is φ = 47972981011200.

The previous prime is 144556021107391. The next prime is 144556021107473. The reversal of 144556021107444 is 444701120655441.

It is a junction number, because it is equal to n+sod(n) for n = 144556021107393 and 144556021107402.

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, 26657577 + ... + 31618640.

It is an arithmetic number, because the mean of its divisors is an integer number (7058065866852).

Almost surely, 2^{144556021107444} is an apocalyptic number.

It is an amenable number.

144556021107444 is an abundant number, since it is smaller than the sum of its proper divisors (194231140501452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144556021107444 is a wasteful number, since it uses less digits than its factorization.

144556021107444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58277136 (or 58277134 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 144556021107444 in words is "one hundred forty-four trillion, five hundred fifty-six billion, twenty-one million, one hundred seven thousand, four hundred forty-four".