144307133 has 2 divisors, whose sum is σ = 144307134. Its totient is φ = 144307132.

The previous prime is 144307087. The next prime is 144307153. The reversal of 144307133 is 331703441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 8514724 = 11653^2 + 2918^2 .

It is a cyclic number.

It is not a de Polignac number, because 144307133 - 2⁶ = 144307069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144307153) 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, 72153566 + 72153567.

It is an arithmetic number, because the mean of its divisors is an integer number (72153567).

Almost surely, 2^144307133 is an apocalyptic number.

It is an amenable number.

144307133 is a deficient number, since it is larger than the sum of its proper divisors (1).

144307133 is an equidigital number, since it uses as much as digits as its factorization.

144307133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 144307133 is about 12012.7903919114. The cubic root of 144307133 is about 524.5206605935.

The spelling of 144307133 in words is "one hundred forty-four million, three hundred seven thousand, one hundred thirty-three".