306115545466243 has 4 divisors (see below), whose sum is σ = 306116212862520. Its totient is φ = 306114878069968.

The previous prime is 306115545466231. The next prime is 306115545466267. The reversal of 306115545466243 is 342664545511603.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-306115545466243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306115545466343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333009658 + ... + 333927631.

It is an arithmetic number, because the mean of its divisors is an integer number (76529053215630).

Almost surely, 2^{306115545466243} is an apocalyptic number.

306115545466243 is a deficient number, since it is larger than the sum of its proper divisors (667396277).

306115545466243 is an equidigital number, since it uses as much as digits as its factorization.

306115545466243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667396276.

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 306115545466243 in words is "three hundred six trillion, one hundred fifteen billion, five hundred forty-five million, four hundred sixty-six thousand, two hundred forty-three".