2144500 has 24 divisors (see below), whose sum is σ = 4684680. Its totient is φ = 857600.

The previous prime is 2144491. The next prime is 2144501. The reversal of 2144500 is 54412.

It can be written as a sum of positive squares in 4 ways, for example, as 7056 + 2137444 = 84^2 + 1462^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144501) 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, 1645 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (195195).

2^2144500 is an apocalyptic number.

2144500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144500 is an abundant number, since it is smaller than the sum of its proper divisors (2540180).

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

2144500 is a wasteful number, since it uses less digits than its factorization.

2144500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4296 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2144500 is about 1464.4111444536. The cubic root of 2144500 is about 128.9561375624.

Adding to 2144500 its reverse (54412), we get a palindrome (2198912).

It can be divided in two parts, 21 and 44500, that added together give a square (44521 = 211²).

The spelling of 2144500 in words is "two million, one hundred forty-four thousand, five hundred".