144544133 has 2 divisors, whose sum is σ = 144544134. Its totient is φ = 144544132.

The previous prime is 144544109. The next prime is 144544139. The reversal of 144544133 is 331445441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137898049 + 6646084 = 11743^2 + 2578^2 .

It is a cyclic number.

It is not a de Polignac number, because 144544133 - 2¹² = 144540037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144544096 and 144544105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144544139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72272066 + 72272067.

It is an arithmetic number, because the mean of its divisors is an integer number (72272067).

Almost surely, 2^144544133 is an apocalyptic number.

It is an amenable number.

144544133 is a deficient number, since it is larger than the sum of its proper divisors (1).

144544133 is an equidigital number, since it uses as much as digits as its factorization.

144544133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 144544133 is about 12022.6508308276. The cubic root of 144544133 is about 524.8076489600.

Adding to 144544133 its reverse (331445441), we get a palindrome (475989574).

The spelling of 144544133 in words is "one hundred forty-four million, five hundred forty-four thousand, one hundred thirty-three".