3118143 has 8 divisors (see below), whose sum is σ = 4751488. Its totient is φ = 1781784.

The previous prime is 3118139. The next prime is 3118151. The reversal of 3118143 is 3418113.

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

It is not a de Polignac number, because 3118143 - 2² = 3118139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 148483 = 3118143 / (3 + 1 + 1 + 8 + 1 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3118153) 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, 74221 + ... + 74262.

It is an arithmetic number, because the mean of its divisors is an integer number (593936).

Almost surely, 2^3118143 is an apocalyptic number.

3118143 is a deficient number, since it is larger than the sum of its proper divisors (1633345).

3118143 is a wasteful number, since it uses less digits than its factorization.

3118143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148493.

The product of its digits is 288, while the sum is 21.

The square root of 3118143 is about 1765.8264354120. The cubic root of 3118143 is about 146.0938753247.

The spelling of 3118143 in words is "three million, one hundred eighteen thousand, one hundred forty-three".