144820807450871 has 2 divisors, whose sum is σ = 144820807450872. Its totient is φ = 144820807450870.

The previous prime is 144820807450859. The next prime is 144820807450931. The reversal of 144820807450871 is 178054708028441.

144820807450871 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 is an emirp because it is prime and its reverse (178054708028441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144820807450871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144820807450871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144820807459871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72410403725435 + 72410403725436.

It is an arithmetic number, because the mean of its divisors is an integer number (72410403725436).

Almost surely, 2^{144820807450871} is an apocalyptic number.

144820807450871 is a deficient number, since it is larger than the sum of its proper divisors (1).

144820807450871 is an equidigital number, since it uses as much as digits as its factorization.

144820807450871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16056320, while the sum is 59.

The spelling of 144820807450871 in words is "one hundred forty-four trillion, eight hundred twenty billion, eight hundred seven million, four hundred fifty thousand, eight hundred seventy-one".