143464728715 has 48 divisors (see below), whose sum is σ = 217352217600. Its totient is φ = 88982625600.

The previous prime is 143464728707. The next prime is 143464728721. The reversal of 143464728715 is 517827464341.

It is not a de Polignac number, because 143464728715 - 2³ = 143464728707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 757650 + ... + 927880.

It is an arithmetic number, because the mean of its divisors is an integer number (4528171200).

Almost surely, 2^143464728715 is an apocalyptic number.

143464728715 is a deficient number, since it is larger than the sum of its proper divisors (73887488885).

143464728715 is a wasteful number, since it uses less digits than its factorization.

143464728715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170464 (or 170453 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The spelling of 143464728715 in words is "one hundred forty-three billion, four hundred sixty-four million, seven hundred twenty-eight thousand, seven hundred fifteen".