305215145041 has 2 divisors, whose sum is σ = 305215145042. Its totient is φ = 305215145040.

The previous prime is 305215145023. The next prime is 305215145063. The reversal of 305215145041 is 140541512503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246508278016 + 58706867025 = 496496^2 + 242295^2 .

It is a cyclic number.

It is not a de Polignac number, because 305215145041 - 2⁹ = 305215144529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305215144994 and 305215145012.

It is not a weakly prime, because it can be changed into another prime (305215145341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152607572520 + 152607572521.

It is an arithmetic number, because the mean of its divisors is an integer number (152607572521).

Almost surely, 2^305215145041 is an apocalyptic number.

It is an amenable number.

305215145041 is a deficient number, since it is larger than the sum of its proper divisors (1).

305215145041 is an equidigital number, since it uses as much as digits as its factorization.

305215145041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 305215145041 its reverse (140541512503), we get a palindrome (445756657544).

The spelling of 305215145041 in words is "three hundred five billion, two hundred fifteen million, one hundred forty-five thousand, forty-one".