8915145 has 16 divisors (see below), whose sum is σ = 14884992. Its totient is φ = 4547840.

The previous prime is 8915143. The next prime is 8915149. The reversal of 8915145 is 5415198.

It is not a de Polignac number, because 8915145 - 2¹ = 8915143 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8915141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12576 + ... + 13265.

It is an arithmetic number, because the mean of its divisors is an integer number (930312).

Almost surely, 2^8915145 is an apocalyptic number.

It is an amenable number.

8915145 is a deficient number, since it is larger than the sum of its proper divisors (5969847).

8915145 is a wasteful number, since it uses less digits than its factorization.

8915145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25872.

The product of its digits is 7200, while the sum is 33.

The square root of 8915145 is about 2985.8240068698. The cubic root of 8915145 is about 207.3525928445.

The spelling of 8915145 in words is "eight million, nine hundred fifteen thousand, one hundred forty-five".