144885733 has 2 divisors, whose sum is σ = 144885734. Its totient is φ = 144885732.

The previous prime is 144885707. The next prime is 144885737. The reversal of 144885733 is 337588441.

144885733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141562404 + 3323329 = 11898^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 144885733 - 2¹³ = 144877541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144885733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144885737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72442866 + 72442867.

It is an arithmetic number, because the mean of its divisors is an integer number (72442867).

Almost surely, 2^144885733 is an apocalyptic number.

It is an amenable number.

144885733 is a deficient number, since it is larger than the sum of its proper divisors (1).

144885733 is an equidigital number, since it uses as much as digits as its factorization.

144885733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 144885733 is about 12036.8489647416. The cubic root of 144885733 is about 525.2207482870.

The spelling of 144885733 in words is "one hundred forty-four million, eight hundred eighty-five thousand, seven hundred thirty-three".