144999233 has 2 divisors, whose sum is σ = 144999234. Its totient is φ = 144999232.

The previous prime is 144999223. The next prime is 144999269. The reversal of 144999233 is 332999441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97278769 + 47720464 = 9863^2 + 6908^2 .

It is a cyclic number.

It is not a de Polignac number, because 144999233 - 2⁸ = 144998977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144999223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72499616 + 72499617.

It is an arithmetic number, because the mean of its divisors is an integer number (72499617).

Almost surely, 2^144999233 is an apocalyptic number.

It is an amenable number.

144999233 is a deficient number, since it is larger than the sum of its proper divisors (1).

144999233 is an equidigital number, since it uses as much as digits as its factorization.

144999233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 44.

The square root of 144999233 is about 12041.5627308087. The cubic root of 144999233 is about 525.3578609254.

It can be divided in two parts, 14499 and 9233, that added together give a palindrome (23732).

The spelling of 144999233 in words is "one hundred forty-four million, nine hundred ninety-nine thousand, two hundred thirty-three".