2845147 has 2 divisors, whose sum is σ = 2845148. Its totient is φ = 2845146.

The previous prime is 2845133. The next prime is 2845151. The reversal of 2845147 is 7415482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2845147 - 2⁷ = 2845019 is a prime.

It is a super-2 number, since 2×2845147² = 16189722903218, which contains 22 as substring.

2845147 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2845127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422573 + 1422574.

It is an arithmetic number, because the mean of its divisors is an integer number (1422574).

2^2845147 is an apocalyptic number.

2845147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2845147 is an equidigital number, since it uses as much as digits as its factorization.

2845147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 31.

The square root of 2845147 is about 1686.7563546642. The cubic root of 2845147 is about 141.6994735247.

It can be divided in two parts, 2845 and 147, that added together give a palindrome (2992).

The spelling of 2845147 in words is "two million, eight hundred forty-five thousand, one hundred forty-seven".