3143861142 has 32 divisors (see below), whose sum is σ = 6327839232. Its totient is φ = 1041282144.

The previous prime is 3143861137. The next prime is 3143861173. The reversal of 3143861142 is 2411683413.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1373523 + ... + 1375809.

It is an arithmetic number, because the mean of its divisors is an integer number (197744976).

Almost surely, 2^3143861142 is an apocalyptic number.

3143861142 is an abundant number, since it is smaller than the sum of its proper divisors (3183978090).

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

3143861142 is a wasteful number, since it uses less digits than its factorization.

3143861142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652.

The product of its digits is 13824, while the sum is 33.

The square root of 3143861142 is about 56070.1448366241. The cubic root of 3143861142 is about 1464.9443213666.

The spelling of 3143861142 in words is "three billion, one hundred forty-three million, eight hundred sixty-one thousand, one hundred forty-two".