3155143 has 8 divisors (see below), whose sum is σ = 3272400. Its totient is φ = 3040128.

The previous prime is 3155137. The next prime is 3155147. The reversal of 3155143 is 3415513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3155143 - 2⁹ = 3154631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2623 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (409050).

Almost surely, 2^3155143 is an apocalyptic number.

3155143 is a deficient number, since it is larger than the sum of its proper divisors (117257).

3155143 is a wasteful number, since it uses less digits than its factorization.

3155143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its digits is 900, while the sum is 22.

The square root of 3155143 is about 1776.2722201284. The cubic root of 3155143 is about 146.6694564437.

The spelling of 3155143 in words is "three million, one hundred fifty-five thousand, one hundred forty-three".