8145339 has 4 divisors (see below), whose sum is σ = 10860456. Its totient is φ = 5430224.

The previous prime is 8145337. The next prime is 8145349. The reversal of 8145339 is 9335418.

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

It is a cyclic number.

It is not a de Polignac number, because 8145339 - 2¹ = 8145337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8145337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357554 + ... + 1357559.

It is an arithmetic number, because the mean of its divisors is an integer number (2715114).

Almost surely, 2^8145339 is an apocalyptic number.

8145339 is a deficient number, since it is larger than the sum of its proper divisors (2715117).

8145339 is a wasteful number, since it uses less digits than its factorization.

8145339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715116.

The product of its digits is 12960, while the sum is 33.

The square root of 8145339 is about 2854.0040294295. The cubic root of 8145339 is about 201.2038969532.

The spelling of 8145339 in words is "eight million, one hundred forty-five thousand, three hundred thirty-nine".