2144851 has 4 divisors (see below), whose sum is σ = 2148712. Its totient is φ = 2140992.

The previous prime is 2144843. The next prime is 2144867. The reversal of 2144851 is 1584412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2144851 - 2³ = 2144843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (537178).

2^2144851 is an apocalyptic number.

2144851 is a deficient number, since it is larger than the sum of its proper divisors (3861).

2144851 is an equidigital number, since it uses as much as digits as its factorization.

2144851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860.

The product of its digits is 1280, while the sum is 25.

The square root of 2144851 is about 1464.5309829430. The cubic root of 2144851 is about 128.9631727898.

The spelling of 2144851 in words is "two million, one hundred forty-four thousand, eight hundred fifty-one".