2144549 has 16 divisors (see below), whose sum is σ = 2549760. Its totient is φ = 1782000.

The previous prime is 2144537. The next prime is 2144551. The reversal of 2144549 is 9454412.

It is not a de Polignac number, because 2144549 - 2¹⁶ = 2079013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144509) 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, 6314 + ... + 6644.

It is an arithmetic number, because the mean of its divisors is an integer number (159360).

2^2144549 is an apocalyptic number.

It is an amenable number.

2144549 is a deficient number, since it is larger than the sum of its proper divisors (405211).

2144549 is a wasteful number, since it uses less digits than its factorization.

2144549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its digits is 5760, while the sum is 29.

The square root of 2144549 is about 1464.4278746323. The cubic root of 2144549 is about 128.9571197343.

The spelling of 2144549 in words is "two million, one hundred forty-four thousand, five hundred forty-nine".