144849233 has 2 divisors, whose sum is σ = 144849234. Its totient is φ = 144849232.

The previous prime is 144849223. The next prime is 144849277. The reversal of 144849233 is 332948441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91164304 + 53684929 = 9548^2 + 7327^2 .

It is a cyclic number.

It is not a de Polignac number, because 144849233 - 2⁶ = 144849169 is a prime.

It is not a weakly prime, because it can be changed into another prime (144849223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72424616 + 72424617.

It is an arithmetic number, because the mean of its divisors is an integer number (72424617).

Almost surely, 2^144849233 is an apocalyptic number.

It is an amenable number.

144849233 is a deficient number, since it is larger than the sum of its proper divisors (1).

144849233 is an equidigital number, since it uses as much as digits as its factorization.

144849233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 144849233 is about 12035.3326917040. The cubic root of 144849233 is about 525.1766395792.

The spelling of 144849233 in words is "one hundred forty-four million, eight hundred forty-nine thousand, two hundred thirty-three".