318426345 has 12 divisors (see below), whose sum is σ = 551939076. Its totient is φ = 169827360.

The previous prime is 318426323. The next prime is 318426347. The reversal of 318426345 is 543624813.

318426345 is a `hidden beast` number, since 3 + 18 + 4 + 2 + 634 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39803481 + 278622864 = 6309^2 + 16692^2 .

It is not a de Polignac number, because 318426345 - 2⁶ = 318426281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (318426347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3538026 + ... + 3538115.

It is an arithmetic number, because the mean of its divisors is an integer number (45994923).

Almost surely, 2^318426345 is an apocalyptic number.

It is an amenable number.

318426345 is a deficient number, since it is larger than the sum of its proper divisors (233512731).

318426345 is a wasteful number, since it uses less digits than its factorization.

318426345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7076152 (or 7076149 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 318426345 is about 17844.5046162677. The cubic root of 318426345 is about 682.8673222970.

The spelling of 318426345 in words is "three hundred eighteen million, four hundred twenty-six thousand, three hundred forty-five".