8715145 has 8 divisors (see below), whose sum is σ = 10488456. Its totient is φ = 6951936.

The previous prime is 8715143. The next prime is 8715151. The reversal of 8715145 is 5415178.

8715145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3055504 + 5659641 = 1748^2 + 2379^2 .

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 8715145 - 2¹ = 8715143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8715143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472 + ... + 4201.

It is an arithmetic number, because the mean of its divisors is an integer number (1311057).

Almost surely, 2^8715145 is an apocalyptic number.

It is an amenable number.

8715145 is a deficient number, since it is larger than the sum of its proper divisors (1773311).

8715145 is a wasteful number, since it uses less digits than its factorization.

8715145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051.

The product of its digits is 5600, while the sum is 31.

The square root of 8715145 is about 2952.1424423628. The cubic root of 8715145 is about 205.7902867833.

The spelling of 8715145 in words is "eight million, seven hundred fifteen thousand, one hundred forty-five".