144140228568 has 128 divisors (see below), whose sum is σ = 457759296000. Its totient is φ = 41167509120.

The previous prime is 144140228543. The next prime is 144140228569. The reversal of 144140228568 is 865822041441.

144140228568 is a `hidden beast` number, since 1 + 4 + 41 + 40 + 2 + 2 + 8 + 568 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144140228569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4382023 + ... + 4414793.

It is an arithmetic number, because the mean of its divisors is an integer number (3576244500).

Almost surely, 2^144140228568 is an apocalyptic number.

144140228568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144140228568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228879648000).

144140228568 is an abundant number, since it is smaller than the sum of its proper divisors (313619067432).

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

144140228568 is a wasteful number, since it uses less digits than its factorization.

144140228568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35702 (or 35692 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 144140228568 in words is "one hundred forty-four billion, one hundred forty million, two hundred twenty-eight thousand, five hundred sixty-eight".