13544530143 has 4 divisors (see below), whose sum is σ = 18059373528. Its totient is φ = 9029686760.

The previous prime is 13544530141. The next prime is 13544530147. The reversal of 13544530143 is 34103544531.

13544530143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13544530143 - 2¹ = 13544530141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544530141) 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 3 ways as a sum of consecutive naturals, for example, 2257421688 + ... + 2257421693.

It is an arithmetic number, because the mean of its divisors is an integer number (4514843382).

Almost surely, 2^13544530143 is an apocalyptic number.

13544530143 is a deficient number, since it is larger than the sum of its proper divisors (4514843385).

13544530143 is an equidigital number, since it uses as much as digits as its factorization.

13544530143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514843384.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 13544530143 in words is "thirteen billion, five hundred forty-four million, five hundred thirty thousand, one hundred forty-three".