2144899 has 2 divisors, whose sum is σ = 2144900. Its totient is φ = 2144898.

The previous prime is 2144897. The next prime is 2144951. The reversal of 2144899 is 9984412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144899 - 2¹ = 2144897 is a prime.

Together with 2144897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2144893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072449 + 1072450.

It is an arithmetic number, because the mean of its divisors is an integer number (1072450).

2^2144899 is an apocalyptic number.

2144899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144899 is an equidigital number, since it uses as much as digits as its factorization.

2144899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 2144899 is about 1464.5473703503. The cubic root of 2144899 is about 128.9641348125.

The spelling of 2144899 in words is "two million, one hundred forty-four thousand, eight hundred ninety-nine".