144442202737897 has 2 divisors, whose sum is σ = 144442202737898. Its totient is φ = 144442202737896.

The previous prime is 144442202737883. The next prime is 144442202737993. The reversal of 144442202737897 is 798737202244441.

144442202737897 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., 124149601355536 + 20292601382361 = 11142244^2 + 4504731^2 .

It is an emirp because it is prime and its reverse (798737202244441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144442202737897 - 2²³ = 144442194349289 is a prime.

It is a super-3 number, since 3×144442202737897³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (144442202732897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72221101368948 + 72221101368949.

It is an arithmetic number, because the mean of its divisors is an integer number (72221101368949).

Almost surely, 2^{144442202737897} is an apocalyptic number.

It is an amenable number.

144442202737897 is a deficient number, since it is larger than the sum of its proper divisors (1).

144442202737897 is an equidigital number, since it uses as much as digits as its factorization.

144442202737897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151732224, while the sum is 64.

The spelling of 144442202737897 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred two million, seven hundred thirty-seven thousand, eight hundred ninety-seven".