8145115 has 12 divisors (see below), whose sum is σ = 10744272. Its totient is φ = 5923280.

The previous prime is 8145113. The next prime is 8145133. The reversal of 8145115 is 5115418.

It is a happy number.

It is not a de Polignac number, because 8145115 - 2¹ = 8145113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8145115.

It is not an unprimeable number, because it can be changed into a prime (8145113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6127 + ... + 7336.

It is an arithmetic number, because the mean of its divisors is an integer number (895356).

Almost surely, 2^8145115 is an apocalyptic number.

8145115 is a deficient number, since it is larger than the sum of its proper divisors (2599157).

8145115 is a wasteful number, since it uses less digits than its factorization.

8145115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13490 (or 13479 counting only the distinct ones).

The product of its digits is 800, while the sum is 25.

The square root of 8145115 is about 2853.9647860476. The cubic root of 8145115 is about 201.2020525411.

It can be divided in two parts, 814 and 5115, that added together give a square (5929 = 77²).

The spelling of 8145115 in words is "eight million, one hundred forty-five thousand, one hundred fifteen".