306144262112242 has 8 divisors (see below), whose sum is σ = 463763090130732. Its totient is φ = 151556565402000.

The previous prime is 306144262112239. The next prime is 306144262112257. The reversal of 306144262112242 is 242211262441603.

It can be written as a sum of positive squares in 2 ways, for example, as 283618236858961 + 22526025253281 = 16840969^2 + 4746159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 306144262112195 and 306144262112204.

It is an unprimeable number.

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, 757782826809 + ... + 757782827212.

Almost surely, 2^{306144262112242} is an apocalyptic number.

306144262112242 is a deficient number, since it is larger than the sum of its proper divisors (157618828018490).

306144262112242 is a wasteful number, since it uses less digits than its factorization.

306144262112242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515565654124.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 306144262112242 in words is "three hundred six trillion, one hundred forty-four billion, two hundred sixty-two million, one hundred twelve thousand, two hundred forty-two".