3157143 has 16 divisors (see below), whose sum is σ = 4752000. Its totient is φ = 1846880.

The previous prime is 3157139. The next prime is 3157151. The reversal of 3157143 is 3417513.

It is a cyclic number.

It is not a de Polignac number, because 3157143 - 2² = 3157139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

Almost surely, 2^3157143 is an apocalyptic number.

3157143 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3157143 is a deficient number, since it is larger than the sum of its proper divisors (1594857).

3157143 is a wasteful number, since it uses less digits than its factorization.

3157143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its digits is 1260, while the sum is 24.

The square root of 3157143 is about 1776.8351077126. The cubic root of 3157143 is about 146.7004404544.

The spelling of 3157143 in words is "three million, one hundred fifty-seven thousand, one hundred forty-three".