8145147 has 16 divisors (see below), whose sum is σ = 11284992. Its totient is φ = 5221920.

The previous prime is 8145139. The next prime is 8145149. The reversal of 8145147 is 7415418.

It is not a de Polignac number, because 8145147 - 2³ = 8145139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8145149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8128 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (705312).

Almost surely, 2^8145147 is an apocalyptic number.

8145147 is a deficient number, since it is larger than the sum of its proper divisors (3139845).

8145147 is a wasteful number, since it uses less digits than its factorization.

8145147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its digits is 4480, while the sum is 30.

The square root of 8145147 is about 2853.9703922781. The cubic root of 8145147 is about 201.2023160306.

The spelling of 8145147 in words is "eight million, one hundred forty-five thousand, one hundred forty-seven".