144451 has 2 divisors, whose sum is σ = 144452.
Its totient is φ = 144450.
The previous prime is 144439. The next prime is 144461. The reversal of 144451 is 154441.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 144451 - 27 = 144323 is a prime.
It is not a weakly prime, because it can be changed into another prime (144461) 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, 72225 + 72226.
It is an arithmetic number, because the mean of its divisors is an integer number (72226).
2144451 is an apocalyptic number.
144451 is a deficient number, since it is larger than the sum of its proper divisors (1).
144451 is an equidigital number, since it uses as much as digits as its factorization.
144451 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 320, while the sum is 19.
The square root of 144451 is about 380.0670993391.
The cubic root of 144451 is about 52.4694909663.
Adding to 144451 its reverse (154441), we get a palindrome (298892).
It can be divided in two parts, 144 and 451, that added together give a palindrome (595).
The spelling of 144451 in words is "one hundred forty-four thousand, four hundred fifty-one".