306774044248545 has 16 divisors (see below), whose sum is σ = 545376078664320. Its totient is φ = 163612823599152.

The previous prime is 306774044248543. The next prime is 306774044248577. The reversal of 306774044248545 is 545842440477603.

306774044248545 is a `hidden beast` number, since 3 + 0 + 6 + 7 + 7 + 4 + 0 + 4 + 42 + 48 + 545 = 666.

It is not a de Polignac number, because 306774044248545 - 2¹ = 306774044248543 is a prime.

It is a super-3 number, since 3×306774044248545³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (306774044248543) 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 in 15 ways as a sum of consecutive naturals, for example, 1136200163749 + ... + 1136200164018.

It is an arithmetic number, because the mean of its divisors is an integer number (34086004916520).

Almost surely, 2^{306774044248545} is an apocalyptic number.

It is an amenable number.

306774044248545 is a deficient number, since it is larger than the sum of its proper divisors (238602034415775).

306774044248545 is a wasteful number, since it uses less digits than its factorization.

306774044248545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272400327781 (or 2272400327775 counting only the distinct ones).

The product of its (nonzero) digits is 361267200, while the sum is 63.

The spelling of 306774044248545 in words is "three hundred six trillion, seven hundred seventy-four billion, forty-four million, two hundred forty-eight thousand, five hundred forty-five".