318485045 has 4 divisors (see below), whose sum is σ = 382182060. Its totient is φ = 254788032.

The previous prime is 318485039. The next prime is 318485053. The reversal of 318485045 is 540584813.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540584813 = 1439 ⋅375667.

It can be written as a sum of positive squares in 2 ways, for example, as 115906756 + 202578289 = 10766^2 + 14233^2 .

It is a cyclic number.

It is not a de Polignac number, because 318485045 - 2⁶ = 318484981 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31848500 + ... + 31848509.

It is an arithmetic number, because the mean of its divisors is an integer number (95545515).

Almost surely, 2^318485045 is an apocalyptic number.

It is an amenable number.

318485045 is a deficient number, since it is larger than the sum of its proper divisors (63697015).

318485045 is an equidigital number, since it uses as much as digits as its factorization.

318485045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63697014.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 318485045 is about 17846.1493045419. The cubic root of 318485045 is about 682.9092805600.

The spelling of 318485045 in words is "three hundred eighteen million, four hundred eighty-five thousand, forty-five".