143781453514 has 16 divisors (see below), whose sum is σ = 222319479168. Its totient is φ = 69703551232.

The previous prime is 143781453509. The next prime is 143781453539. The reversal of 143781453514 is 415354187341.

143781453514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7137559 + ... + 7157674.

It is an arithmetic number, because the mean of its divisors is an integer number (13894967448).

Almost surely, 2^143781453514 is an apocalyptic number.

143781453514 is a deficient number, since it is larger than the sum of its proper divisors (78538025654).

143781453514 is a wasteful number, since it uses less digits than its factorization.

143781453514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14295389.

The product of its digits is 806400, while the sum is 46.

The spelling of 143781453514 in words is "one hundred forty-three billion, seven hundred eighty-one million, four hundred fifty-three thousand, five hundred fourteen".