2145205152241 has 2 divisors, whose sum is σ = 2145205152242. Its totient is φ = 2145205152240.

The previous prime is 2145205152229. The next prime is 2145205152271. The reversal of 2145205152241 is 1422515025412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2118596691600 + 26608460641 = 1455540^2 + 163121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2145205152241 - 2³⁷ = 2007766198769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145205152197 and 2145205152206.

It is not a weakly prime, because it can be changed into another prime (2145205152271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072602576120 + 1072602576121.

It is an arithmetic number, because the mean of its divisors is an integer number (1072602576121).

Almost surely, 2^{2145205152241} is an apocalyptic number.

It is an amenable number.

2145205152241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145205152241 is an equidigital number, since it uses as much as digits as its factorization.

2145205152241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 2145205152241 in words is "two trillion, one hundred forty-five billion, two hundred five million, one hundred fifty-two thousand, two hundred forty-one".