2144999 has 2 divisors, whose sum is σ = 2145000. Its totient is φ = 2144998.

The previous prime is 2144993. The next prime is 2145023. The reversal of 2144999 is 9994412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144999 - 2⁸ = 2144743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072499 + 1072500.

It is an arithmetic number, because the mean of its divisors is an integer number (1072500).

2^2144999 is an apocalyptic number.

2144999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144999 is an equidigital number, since it uses as much as digits as its factorization.

2144999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 2144999 is about 1464.5815101933. The cubic root of 2144999 is about 128.9661389804.

The spelling of 2144999 in words is "two million, one hundred forty-four thousand, nine hundred ninety-nine".