144899 has 2 divisors, whose sum is σ = 144900. Its totient is φ = 144898.

The previous prime is 144889. The next prime is 144917. The reversal of 144899 is 998441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144899 - 2⁴ = 144883 is a prime.

It is a Chen prime.

It is a plaindrome in base 10 and base 15.

It is not a weakly prime, because it can be changed into another prime (144829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72449 + 72450.

It is an arithmetic number, because the mean of its divisors is an integer number (72450).

2¹⁴⁴⁸⁹⁹ is an apocalyptic number.

144899 is a deficient number, since it is larger than the sum of its proper divisors (1).

144899 is an equidigital number, since it uses as much as digits as its factorization.

144899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 144899 is about 380.6560126939. The cubic root of 144899 is about 52.5236779060.

It can be divided in two parts, 14 and 4899, that multiplied together give a palindrome (68586).

The spelling of 144899 in words is "one hundred forty-four thousand, eight hundred ninety-nine".