6315315145 has 8 divisors (see below), whose sum is σ = 7691488704. Its totient is φ = 4976845104.

The previous prime is 6315315143. The next prime is 6315315151. The reversal of 6315315145 is 5415135136.

6315315145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6315315145 - 2¹ = 6315315143 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 6315315145.

It is not an unprimeable number, because it can be changed into a prime (6315315143) 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, 9425509 + ... + 9426178.

It is an arithmetic number, because the mean of its divisors is an integer number (961436088).

Almost surely, 2^6315315145 is an apocalyptic number.

It is an amenable number.

6315315145 is a deficient number, since it is larger than the sum of its proper divisors (1376173559).

6315315145 is a wasteful number, since it uses less digits than its factorization.

6315315145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18851759.

The product of its digits is 27000, while the sum is 34.

The square root of 6315315145 is about 79468.9571153416. The cubic root of 6315315145 is about 1848.4101407887.

Subtracting from 6315315145 its reverse (5415135136), we obtain a square (900180009 = 30003²).

The spelling of 6315315145 in words is "six billion, three hundred fifteen million, three hundred fifteen thousand, one hundred forty-five".