2144454 has 32 divisors (see below), whose sum is σ = 4865280. Its totient is φ = 624672.

The previous prime is 2144449. The next prime is 2144459. The reversal of 2144454 is 4544412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2144449) and next prime (2144459).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759 + ... + 2205.

It is an arithmetic number, because the mean of its divisors is an integer number (152040).

2^2144454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2432640).

2144454 is an abundant number, since it is smaller than the sum of its proper divisors (2720826).

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

2144454 is a wasteful number, since it uses less digits than its factorization.

2144454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its digits is 2560, while the sum is 24.

The square root of 2144454 is about 1464.3954383977. The cubic root of 2144454 is about 128.9552155099.

Adding to 2144454 its reverse (4544412), we get a palindrome (6688866).

The spelling of 2144454 in words is "two million, one hundred forty-four thousand, four hundred fifty-four".