144444434381 has 8 divisors (see below), whose sum is σ = 155762686464. Its totient is φ = 133155774000.

The previous prime is 144444434231. The next prime is 144444434383. The reversal of 144444434381 is 183434444441.

144444434381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144444434381 - 2²⁶ = 144377325517 is a prime.

It is a super-2 number, since 2×144444434381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144444434383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7387781 + ... + 7407306.

It is an arithmetic number, because the mean of its divisors is an integer number (19470335808).

Almost surely, 2^144444434381 is an apocalyptic number.

It is an amenable number.

144444434381 is a deficient number, since it is larger than the sum of its proper divisors (11318252083).

144444434381 is a wasteful number, since it uses less digits than its factorization.

144444434381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795851.

The product of its digits is 1179648, while the sum is 44.

The spelling of 144444434381 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred thirty-four thousand, three hundred eighty-one".