2144256 has 48 divisors (see below), whose sum is σ = 5733000. Its totient is φ = 712704.

The previous prime is 2144251. The next prime is 2144269. The reversal of 2144256 is 6524412.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2 + 1 + 4³ + 4⁴ + 2²¹ + 5³ + 6⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5970 + ... + 6318.

2^2144256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2866500).

2144256 is an abundant number, since it is smaller than the sum of its proper divisors (3588744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144256 is an equidigital number, since it uses as much as digits as its factorization.

2144256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 354 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 2144256 is about 1464.3278321469. The cubic root of 2144256 is about 128.9512465247.

Adding to 2144256 its reverse (6524412), we get a palindrome (8668668).

The spelling of 2144256 in words is "two million, one hundred forty-four thousand, two hundred fifty-six".