144243221104 has 120 divisors (see below), whose sum is σ = 299429004960. Its totient is φ = 67226880000.

The previous prime is 144243221051. The next prime is 144243221107. The reversal of 144243221104 is 401122342441.

It is a super-2 number, since 2×144243221104² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144243221107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78777469 + ... + 78779299.

It is an arithmetic number, because the mean of its divisors is an integer number (2495241708).

Almost surely, 2^144243221104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144243221104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149714502480).

144243221104 is an abundant number, since it is smaller than the sum of its proper divisors (155185783856).

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

144243221104 is a wasteful number, since it uses less digits than its factorization.

144243221104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 144243221104 its reverse (401122342441), we get a palindrome (545365563545).

The spelling of 144243221104 in words is "one hundred forty-four billion, two hundred forty-three million, two hundred twenty-one thousand, one hundred four".