144766697 has 2 divisors, whose sum is σ = 144766698. Its totient is φ = 144766696.

The previous prime is 144766663. The next prime is 144766709. The reversal of 144766697 is 796667441.

It is a happy number.

144766697 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., 126585001 + 18181696 = 11251^2 + 4264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144766697 is a prime.

It is not a weakly prime, because it can be changed into another prime (144766997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72383348 + 72383349.

It is an arithmetic number, because the mean of its divisors is an integer number (72383349).

Almost surely, 2^144766697 is an apocalyptic number.

It is an amenable number.

144766697 is a deficient number, since it is larger than the sum of its proper divisors (1).

144766697 is an equidigital number, since it uses as much as digits as its factorization.

144766697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 144766697 is about 12031.9032991460. The cubic root of 144766697 is about 525.0768709813.

The spelling of 144766697 in words is "one hundred forty-four million, seven hundred sixty-six thousand, six hundred ninety-seven".