143857215816 has 64 divisors (see below), whose sum is σ = 364799635200. Its totient is φ = 47265689088.

The previous prime is 143857215767. The next prime is 143857215829. The reversal of 143857215816 is 618512758341.

143857215816 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 15 ways as a sum of consecutive naturals, for example, 2842945 + ... + 2893103.

It is an arithmetic number, because the mean of its divisors is an integer number (5699994300).

Almost surely, 2^143857215816 is an apocalyptic number.

It is an amenable number.

143857215816 is an abundant number, since it is smaller than the sum of its proper divisors (220942419384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143857215816 is a wasteful number, since it uses less digits than its factorization.

143857215816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51878 (or 51874 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 51.

The spelling of 143857215816 in words is "one hundred forty-three billion, eight hundred fifty-seven million, two hundred fifteen thousand, eight hundred sixteen".