144543150255221 has 16 divisors (see below), whose sum is σ = 155391012326400. Its totient is φ = 134019436441968.

The previous prime is 144543150255173. The next prime is 144543150255223. The reversal of 144543150255221 is 122552051345441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144543150255221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144543150255223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44217590 + ... + 47373848.

It is an arithmetic number, because the mean of its divisors is an integer number (9711938270400).

Almost surely, 2^{144543150255221} is an apocalyptic number.

It is an amenable number.

144543150255221 is a deficient number, since it is larger than the sum of its proper divisors (10847862071179).

144543150255221 is a wasteful number, since it uses less digits than its factorization.

144543150255221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207608.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 144543150255221 in words is "one hundred forty-four trillion, five hundred forty-three billion, one hundred fifty million, two hundred fifty-five thousand, two hundred twenty-one".