306545242 has 8 divisors (see below), whose sum is σ = 479810016. Its totient is φ = 146608572.

The previous prime is 306545227. The next prime is 306545257. The reversal of 306545242 is 242545603.

It is an interprime number because it is at equal distance from previous prime (306545227) and next prime (306545257).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3331968 + ... + 3332059.

It is an arithmetic number, because the mean of its divisors is an integer number (59976252).

Almost surely, 2^306545242 is an apocalyptic number.

306545242 is a deficient number, since it is larger than the sum of its proper divisors (173264774).

306545242 is a wasteful number, since it uses less digits than its factorization.

306545242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664052.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 306545242 is about 17508.4334536246. The cubic root of 306545242 is about 674.2664125395.

The spelling of 306545242 in words is "three hundred six million, five hundred forty-five thousand, two hundred forty-two".