3143149172 has 12 divisors (see below), whose sum is σ = 5510182020. Its totient is φ = 1568811456.

The previous prime is 3143149151. The next prime is 3143149183. The reversal of 3143149172 is 2719413413.

It can be written as a sum of positive squares in 2 ways, for example, as 1009078756 + 2134070416 = 31766^2 + 46196^2 .

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 3 ways as a sum of consecutive naturals, for example, 688223 + ... + 692774.

It is an arithmetic number, because the mean of its divisors is an integer number (459181835).

Almost surely, 2^3143149172 is an apocalyptic number.

It is an amenable number.

3143149172 is a deficient number, since it is larger than the sum of its proper divisors (2367032848).

3143149172 is a wasteful number, since it uses less digits than its factorization.

3143149172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381570 (or 1381568 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 3143149172 is about 56063.7955547071. The cubic root of 3143149172 is about 1464.8337275135.

The spelling of 3143149172 in words is "three billion, one hundred forty-three million, one hundred forty-nine thousand, one hundred seventy-two".