144824249 has 12 divisors (see below), whose sum is σ = 150884964. Its totient is φ = 138956064.

The previous prime is 144824233. The next prime is 144824257. The reversal of 144824249 is 942428441.

It can be written as a sum of positive squares in 2 ways, for example, as 106915600 + 37908649 = 10340^2 + 6157^2 .

It is not a de Polignac number, because 144824249 - 2⁴ = 144824233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144824209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116459 + ... + 117695.

It is an arithmetic number, because the mean of its divisors is an integer number (12573747).

Almost surely, 2^144824249 is an apocalyptic number.

It is an amenable number.

144824249 is a deficient number, since it is larger than the sum of its proper divisors (6060715).

144824249 is an equidigital number, since it uses as much as digits as its factorization.

144824249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1337 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 144824249 is about 12034.2947030559. The cubic root of 144824249 is about 525.1464431988.

The spelling of 144824249 in words is "one hundred forty-four million, eight hundred twenty-four thousand, two hundred forty-nine".