145313313422201 has 2 divisors, whose sum is σ = 145313313422202. Its totient is φ = 145313313422200.

The previous prime is 145313313422159. The next prime is 145313313422227. The reversal of 145313313422201 is 102224313313541.

It is a happy number.

145313313422201 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., 86123986650601 + 59189326771600 = 9280301^2 + 7693460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145313313422201 is a prime.

It is a super-2 number, since 2×145313313422201² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (145313313322201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72656656711100 + 72656656711101.

It is an arithmetic number, because the mean of its divisors is an integer number (72656656711101).

Almost surely, 2^{145313313422201} is an apocalyptic number.

It is an amenable number.

145313313422201 is a deficient number, since it is larger than the sum of its proper divisors (1).

145313313422201 is an equidigital number, since it uses as much as digits as its factorization.

145313313422201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 145313313422201 its reverse (102224313313541), we get a palindrome (247537626735742).

The spelling of 145313313422201 in words is "one hundred forty-five trillion, three hundred thirteen billion, three hundred thirteen million, four hundred twenty-two thousand, two hundred one".