3028145 has 4 divisors (see below), whose sum is σ = 3633780. Its totient is φ = 2422512.

The previous prime is 3028141. The next prime is 3028147. The reversal of 3028145 is 5418203.

3028145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2119936 + 908209 = 1456^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 3028145 - 2² = 3028141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3028145.

It is not an unprimeable number, because it can be changed into a prime (3028141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302810 + ... + 302819.

It is an arithmetic number, because the mean of its divisors is an integer number (908445).

Almost surely, 2^3028145 is an apocalyptic number.

It is an amenable number.

3028145 is a deficient number, since it is larger than the sum of its proper divisors (605635).

3028145 is an equidigital number, since it uses as much as digits as its factorization.

3028145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605634.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3028145 is about 1740.1566021482. The cubic root of 3028145 is about 144.6745773763.

It can be divided in two parts, 30 and 28145, that multiplied together give a triangular number (844350 = T₁₂₉₉).

The spelling of 3028145 in words is "three million, twenty-eight thousand, one hundred forty-five".