306144416223005 has 4 divisors (see below), whose sum is σ = 367373299467612. Its totient is φ = 244915532978400.

The previous prime is 306144416223001. The next prime is 306144416223017. The reversal of 306144416223005 is 500322614441603.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67832980822084 + 238311435400921 = 8236078^2 + 15437339^2 .

It is not a de Polignac number, because 306144416223005 - 2² = 306144416223001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306144416223001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30614441622296 + ... + 30614441622305.

It is an arithmetic number, because the mean of its divisors is an integer number (91843324866903).

Almost surely, 2^{306144416223005} is an apocalyptic number.

It is an amenable number.

306144416223005 is a deficient number, since it is larger than the sum of its proper divisors (61228883244607).

306144416223005 is an equidigital number, since it uses as much as digits as its factorization.

306144416223005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61228883244606.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 306144416223005 in words is "three hundred six trillion, one hundred forty-four billion, four hundred sixteen million, two hundred twenty-three thousand, five".