2845129 has 4 divisors (see below), whose sum is σ = 3251584. Its totient is φ = 2438676.

The previous prime is 2845127. The next prime is 2845133. The reversal of 2845129 is 9215482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2845129 - 2¹ = 2845127 is a prime.

2845129 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2845129.

It is not an unprimeable number, because it can be changed into a prime (2845127) 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, 203217 + ... + 203230.

It is an arithmetic number, because the mean of its divisors is an integer number (812896).

2^2845129 is an apocalyptic number.

It is an amenable number.

2845129 is a deficient number, since it is larger than the sum of its proper divisors (406455).

2845129 is an equidigital number, since it uses as much as digits as its factorization.

2845129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406454.

The product of its digits is 5760, while the sum is 31.

The square root of 2845129 is about 1686.7510189711. The cubic root of 2845129 is about 141.6991747006.

The spelling of 2845129 in words is "two million, eight hundred forty-five thousand, one hundred twenty-nine".