315286645 has 24 divisors (see below), whose sum is σ = 398160000. Its totient is φ = 239649696.

The previous prime is 315286603. The next prime is 315286661. The reversal of 315286645 is 546682513.

It is not a de Polignac number, because 315286645 - 2¹¹ = 315284597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315286598 and 315286607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 526056 + ... + 526654.

It is an arithmetic number, because the mean of its divisors is an integer number (16590000).

Almost surely, 2^315286645 is an apocalyptic number.

It is an amenable number.

315286645 is a deficient number, since it is larger than the sum of its proper divisors (82873355).

315286645 is a wasteful number, since it uses less digits than its factorization.

315286645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 826 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 315286645 is about 17756.3128210786. The cubic root of 315286645 is about 680.6155362181.

The spelling of 315286645 in words is "three hundred fifteen million, two hundred eighty-six thousand, six hundred forty-five".