299144 has 16 divisors (see below), whose sum is σ = 571020. Its totient is φ = 146880.

The previous prime is 299137. The next prime is 299147. The reversal of 299144 is 441992.

It can be written as a sum of positive squares in 2 ways, for example, as 184900 + 114244 = 430^2 + 338^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (299147) by changing a digit.

299144 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182 + ... + 794.

2²⁹⁹¹⁴⁴ is an apocalyptic number.

It is an amenable number.

299144 is a deficient number, since it is larger than the sum of its proper divisors (271876).

299144 is a wasteful number, since it uses less digits than its factorization.

299144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 676 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 299144 is about 546.9405817820. The cubic root of 299144 is about 66.8795638426.

The spelling of 299144 in words is "two hundred ninety-nine thousand, one hundred forty-four".