8119145 has 4 divisors (see below), whose sum is σ = 9742980. Its totient is φ = 6495312.

The previous prime is 8119093. The next prime is 8119151. The reversal of 8119145 is 5419118.

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 1545049 + 6574096 = 1243^2 + 2564^2 .

It is a cyclic number.

It is not a de Polignac number, because 8119145 - 2¹² = 8115049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811910 + ... + 811919.

It is an arithmetic number, because the mean of its divisors is an integer number (2435745).

Almost surely, 2^8119145 is an apocalyptic number.

It is an amenable number.

8119145 is a deficient number, since it is larger than the sum of its proper divisors (1623835).

8119145 is a wasteful number, since it uses less digits than its factorization.

8119145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623834.

The product of its digits is 1440, while the sum is 29.

The square root of 8119145 is about 2849.4113427162. The cubic root of 8119145 is about 200.9879863780.

The spelling of 8119145 in words is "eight million, one hundred nineteen thousand, one hundred forty-five".