144238777344 has 132 divisors (see below), whose sum is σ = 416921455860. Its totient is φ = 48029368320.

The previous prime is 144238777313. The next prime is 144238777429. The reversal of 144238777344 is 443777832441.

It can be written as a sum of positive squares in 2 ways, for example, as 44483871744 + 99754905600 = 210912^2 + 315840^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9401872 + ... + 9417200.

Almost surely, 2^144238777344 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 144238777344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208460727930).

144238777344 is an abundant number, since it is smaller than the sum of its proper divisors (272682678516).

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

144238777344 is a wasteful number, since it uses less digits than its factorization.

144238777344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16376 (or 16355 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 54.

The spelling of 144238777344 in words is "one hundred forty-four billion, two hundred thirty-eight million, seven hundred seventy-seven thousand, three hundred forty-four".