315565045 has 8 divisors (see below), whose sum is σ = 388912824. Its totient is φ = 245628864.

The previous prime is 315565039. The next prime is 315565049. The reversal of 315565045 is 540565513.

It can be written as a sum of positive squares in 4 ways, for example, as 203861284 + 111703761 = 14278^2 + 10569^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 315565045 - 2⁵ = 315565013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315565045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315565049) 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 7 ways as a sum of consecutive naturals, for example, 852694 + ... + 853063.

It is an arithmetic number, because the mean of its divisors is an integer number (48614103).

Almost surely, 2^315565045 is an apocalyptic number.

It is an amenable number.

315565045 is a deficient number, since it is larger than the sum of its proper divisors (73347779).

315565045 is a wasteful number, since it uses less digits than its factorization.

315565045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705799.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 315565045 is about 17764.1505566689. The cubic root of 315565045 is about 680.8158064843.

The spelling of 315565045 in words is "three hundred fifteen million, five hundred sixty-five thousand, forty-five".