8152145 has 4 divisors (see below), whose sum is σ = 9782580. Its totient is φ = 6521712.

The previous prime is 8152093. The next prime is 8152181. The reversal of 8152145 is 5412518.

8152145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2430481 + 5721664 = 1559^2 + 2392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8152145 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815210 + ... + 815219.

It is an arithmetic number, because the mean of its divisors is an integer number (2445645).

Almost surely, 2^8152145 is an apocalyptic number.

It is an amenable number.

8152145 is a deficient number, since it is larger than the sum of its proper divisors (1630435).

8152145 is a wasteful number, since it uses less digits than its factorization.

8152145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630434.

The product of its digits is 1600, while the sum is 26.

The square root of 8152145 is about 2855.1961403728. The cubic root of 8152145 is about 201.2599213246.

The spelling of 8152145 in words is "eight million, one hundred fifty-two thousand, one hundred forty-five".