8151147 has 6 divisors (see below), whose sum is σ = 11773892. Its totient is φ = 5434092.

The previous prime is 8151139. The next prime is 8151149. The reversal of 8151147 is 7411518.

8151147 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8151147 - 2³ = 8151139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8151147.

It is not an unprimeable number, because it can be changed into a prime (8151149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 452833 + ... + 452850.

Almost surely, 2^8151147 is an apocalyptic number.

8151147 is a deficient number, since it is larger than the sum of its proper divisors (3622745).

8151147 is a wasteful number, since it uses less digits than its factorization.

8151147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905689 (or 905686 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 8151147 is about 2855.0213659446. The cubic root of 8151147 is about 201.2517081243.

The spelling of 8151147 in words is "eight million, one hundred fifty-one thousand, one hundred forty-seven".