306144235143277 has 2 divisors, whose sum is σ = 306144235143278. Its totient is φ = 306144235143276.

The previous prime is 306144235143259. The next prime is 306144235143301. The reversal of 306144235143277 is 772341532441603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271027932481476 + 35116302661801 = 16462926^2 + 5925901^2 .

It is a cyclic number.

It is not a de Polignac number, because 306144235143277 - 2¹¹ = 306144235141229 is a prime.

It is a super-2 number, since 2×306144235143277² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306144235143217) 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, 153072117571638 + 153072117571639.

It is an arithmetic number, because the mean of its divisors is an integer number (153072117571639).

Almost surely, 2^{306144235143277} is an apocalyptic number.

It is an amenable number.

306144235143277 is a deficient number, since it is larger than the sum of its proper divisors (1).

306144235143277 is an equidigital number, since it uses as much as digits as its factorization.

306144235143277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 306144235143277 in words is "three hundred six trillion, one hundred forty-four billion, two hundred thirty-five million, one hundred forty-three thousand, two hundred seventy-seven".