144396773 has 2 divisors, whose sum is σ = 144396774. Its totient is φ = 144396772.

The previous prime is 144396761. The next prime is 144396797. The reversal of 144396773 is 377693441.

144396773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141181924 + 3214849 = 11882^2 + 1793^2 .

It is a cyclic number.

It is not a de Polignac number, because 144396773 - 2⁴ = 144396757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144396673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72198386 + 72198387.

It is an arithmetic number, because the mean of its divisors is an integer number (72198387).

Almost surely, 2^144396773 is an apocalyptic number.

It is an amenable number.

144396773 is a deficient number, since it is larger than the sum of its proper divisors (1).

144396773 is an equidigital number, since it uses as much as digits as its factorization.

144396773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 44.

The square root of 144396773 is about 12016.5208359159. The cubic root of 144396773 is about 524.6292445074.

It can be divided in two parts, 14439 and 6773, that added together give a palindrome (21212).

The spelling of 144396773 in words is "one hundred forty-four million, three hundred ninety-six thousand, seven hundred seventy-three".