144619133 has 2 divisors, whose sum is σ = 144619134. Its totient is φ = 144619132.

The previous prime is 144619109. The next prime is 144619151. The reversal of 144619133 is 331916441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83576164 + 61042969 = 9142^2 + 7813^2 .

It is a cyclic number.

It is not a de Polignac number, because 144619133 - 2²² = 140424829 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144619133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144619183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72309566 + 72309567.

It is an arithmetic number, because the mean of its divisors is an integer number (72309567).

Almost surely, 2^144619133 is an apocalyptic number.

It is an amenable number.

144619133 is a deficient number, since it is larger than the sum of its proper divisors (1).

144619133 is an equidigital number, since it uses as much as digits as its factorization.

144619133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 144619133 is about 12025.7695387863. The cubic root of 144619133 is about 524.8984027137.

The spelling of 144619133 in words is "one hundred forty-four million, six hundred nineteen thousand, one hundred thirty-three".