2255143 has 8 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 2041080.

The previous prime is 2255131. The next prime is 2255147. The reversal of 2255143 is 3415522.

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 2255143 - 2⁵ = 2255111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255147) 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, 4596 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

2^2255143 is an apocalyptic number.

2255143 is a deficient number, since it is larger than the sum of its proper divisors (215897).

2255143 is a wasteful number, since it uses less digits than its factorization.

2255143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917.

The product of its digits is 1200, while the sum is 22.

The square root of 2255143 is about 1501.7133548051. The cubic root of 2255143 is about 131.1368342765.

The spelling of 2255143 in words is "two million, two hundred fifty-five thousand, one hundred forty-three".