144440634164318 has 4 divisors (see below), whose sum is σ = 216660951246480. Its totient is φ = 72220317082158.

The previous prime is 144440634164317. The next prime is 144440634164329. The reversal of 144440634164318 is 813461436044441.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144440634164318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440634164311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36110158541078 + ... + 36110158541081.

It is an arithmetic number, because the mean of its divisors is an integer number (54165237811620).

Almost surely, 2^{144440634164318} is an apocalyptic number.

144440634164318 is a deficient number, since it is larger than the sum of its proper divisors (72220317082162).

144440634164318 is an equidigital number, since it uses as much as digits as its factorization.

144440634164318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72220317082161.

The product of its (nonzero) digits is 10616832, while the sum is 53.

The spelling of 144440634164318 in words is "one hundred forty-four trillion, four hundred forty billion, six hundred thirty-four million, one hundred sixty-four thousand, three hundred eighteen".