2845555 has 4 divisors (see below), whose sum is σ = 3414672. Its totient is φ = 2276440.

The previous prime is 2845553. The next prime is 2845561. The reversal of 2845555 is 5555482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5555482 = 2 ⋅2777741.

It is not a de Polignac number, because 2845555 - 2¹ = 2845553 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 2845555.

It is not an unprimeable number, because it can be changed into a prime (2845553) 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, 284551 + ... + 284560.

It is an arithmetic number, because the mean of its divisors is an integer number (853668).

2^2845555 is an apocalyptic number.

2845555 is a deficient number, since it is larger than the sum of its proper divisors (569117).

2845555 is an equidigital number, since it uses as much as digits as its factorization.

2845555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569116.

The product of its digits is 40000, while the sum is 34.

The square root of 2845555 is about 1686.8772925142. The cubic root of 2845555 is about 141.7062465341.

The spelling of 2845555 in words is "two million, eight hundred forty-five thousand, five hundred fifty-five".