143464728717 has 16 divisors (see below), whose sum is σ = 213894105280. Its totient is φ = 95033957616.

The previous prime is 143464728707. The next prime is 143464728721. The reversal of 143464728717 is 717827464341.

It is a happy number.

143464728717 is a `hidden beast` number, since 1 + 4 + 346 + 4 + 7 + 287 + 17 = 666.

It is not a de Polignac number, because 143464728717 - 2⁶ = 143464728653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143464728707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16917763 + ... + 16926240.

It is an arithmetic number, because the mean of its divisors is an integer number (13368381580).

Almost surely, 2^143464728717 is an apocalyptic number.

It is an amenable number.

143464728717 is a deficient number, since it is larger than the sum of its proper divisors (70429376563).

143464728717 is a wasteful number, since it uses less digits than its factorization.

143464728717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33844169 (or 33844163 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The spelling of 143464728717 in words is "one hundred forty-three billion, four hundred sixty-four million, seven hundred twenty-eight thousand, seven hundred seventeen".