2144307 has 16 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 1288800.

The previous prime is 2144287. The next prime is 2144309. The reversal of 2144307 is 7034412.

It is not a de Polignac number, because 2144307 - 2⁶ = 2144243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144309) 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, 5794 + ... + 6152.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^2144307 is an apocalyptic number.

2144307 is a deficient number, since it is larger than the sum of its proper divisors (1000653).

2144307 is a wasteful number, since it uses less digits than its factorization.

2144307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2144307 is about 1464.3452461766. The cubic root of 2144307 is about 128.9522688625.

Adding to 2144307 its reverse (7034412), we get a palindrome (9178719).

The spelling of 2144307 in words is "two million, one hundred forty-four thousand, three hundred seven".