320144415543 has 6 divisors (see below), whose sum is σ = 462430822464. Its totient is φ = 213429610356.

The previous prime is 320144415491. The next prime is 320144415593. The reversal of 320144415543 is 345514441023.

320144415543 is a `hidden beast` number, since 3 + 20 + 1 + 44 + 41 + 554 + 3 = 666.

It is not a de Polignac number, because 320144415543 - 2¹³ = 320144407351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320144415498 and 320144415507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320144415593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17785800855 + ... + 17785800872.

It is an arithmetic number, because the mean of its divisors is an integer number (77071803744).

Almost surely, 2^320144415543 is an apocalyptic number.

320144415543 is a deficient number, since it is larger than the sum of its proper divisors (142286406921).

320144415543 is a wasteful number, since it uses less digits than its factorization.

320144415543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35571601733 (or 35571601730 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 320144415543 its reverse (345514441023), we get a palindrome (665658856566).

The spelling of 320144415543 in words is "three hundred twenty billion, one hundred forty-four million, four hundred fifteen thousand, five hundred forty-three".