144133813 has 2 divisors, whose sum is σ = 144133814. Its totient is φ = 144133812.

The previous prime is 144133811. The next prime is 144133823. The reversal of 144133813 is 318331441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80245764 + 63888049 = 8958^2 + 7993^2 .

It is a cyclic number.

It is not a de Polignac number, because 144133813 - 2¹ = 144133811 is a prime.

Together with 144133811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144133811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72066906 + 72066907.

It is an arithmetic number, because the mean of its divisors is an integer number (72066907).

Almost surely, 2^144133813 is an apocalyptic number.

It is an amenable number.

144133813 is a deficient number, since it is larger than the sum of its proper divisors (1).

144133813 is an equidigital number, since it uses as much as digits as its factorization.

144133813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 144133813 is about 12005.5742469904. The cubic root of 144133813 is about 524.3105847202.

The spelling of 144133813 in words is "one hundred forty-four million, one hundred thirty-three thousand, eight hundred thirteen".