2144530 has 16 divisors (see below), whose sum is σ = 4063680. Its totient is φ = 812592.

The previous prime is 2144509. The next prime is 2144537. The reversal of 2144530 is 354412.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 2144498 and 2144507.

It is not an unprimeable number, because it can be changed into a prime (2144537) 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, 5454 + ... + 5833.

It is an arithmetic number, because the mean of its divisors is an integer number (253980).

2^2144530 is an apocalyptic number.

2144530 is a deficient number, since it is larger than the sum of its proper divisors (1919150).

2144530 is a wasteful number, since it uses less digits than its factorization.

2144530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11313.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2144530 is about 1464.4213874428. The cubic root of 2144530 is about 128.9567388939.

Adding to 2144530 its reverse (354412), we get a palindrome (2498942).

It can be divided in two parts, 21 and 44530, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 2144530 in words is "two million, one hundred forty-four thousand, five hundred thirty".