144440342203455 has 12 divisors (see below), whose sum is σ = 250363259819400. Its totient is φ = 77034849175152.

The previous prime is 144440342203427. The next prime is 144440342203481. The reversal of 144440342203455 is 554302243044441.

144440342203455 is a `hidden beast` number, since 1 + 4 + 44 + 40 + 3 + 4 + 220 + 345 + 5 = 666.

144440342203455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-144440342203455 is a prime.

It is a super-2 number, since 2×144440342203455² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3209785382299 = 144440342203455 / (1 + 4 + 4 + 4 + 4 + 0 + 3 + 4 + 2 + 2 + 0 + 3 + 4 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 144440342203455.

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, 1604892691105 + ... + 1604892691194.

It is an arithmetic number, because the mean of its divisors is an integer number (20863604984950).

Almost surely, 2^{144440342203455} is an apocalyptic number.

144440342203455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144440342203455 is a deficient number, since it is larger than the sum of its proper divisors (105922917615945).

144440342203455 is a wasteful number, since it uses less digits than its factorization.

144440342203455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209785382310 (or 3209785382307 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 45.

Adding to 144440342203455 its reverse (554302243044441), we get a palindrome (698742585247896).

The spelling of 144440342203455 in words is "one hundred forty-four trillion, four hundred forty billion, three hundred forty-two million, two hundred three thousand, four hundred fifty-five".