3056145 has 16 divisors (see below), whose sum is σ = 4958592. Its totient is φ = 1607040.

The previous prime is 3056129. The next prime is 3056149. The reversal of 3056145 is 5416503.

It is not a de Polignac number, because 3056145 - 2⁴ = 3056129 is a prime.

It is a super-3 number, since 3×3056145³ = 85633386998760745875, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

3056145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3056149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301 + ... + 2490.

It is an arithmetic number, because the mean of its divisors is an integer number (309912).

Almost surely, 2^3056145 is an apocalyptic number.

It is an amenable number.

3056145 is a deficient number, since it is larger than the sum of its proper divisors (1902447).

3056145 is a wasteful number, since it uses less digits than its factorization.

3056145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3056145 is about 1748.1833427876. The cubic root of 3056145 is about 145.1191252525.

The spelling of 3056145 in words is "three million, fifty-six thousand, one hundred forty-five".