3145105 has 16 divisors (see below), whose sum is σ = 3953664. Its totient is φ = 2399040.

The previous prime is 3145097. The next prime is 3145117. The reversal of 3145105 is 5015413.

It is not a de Polignac number, because 3145105 - 2³ = 3145097 is a prime.

It is a super-3 number, since 3×3145105³ = 93331168205691097875, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15867 + ... + 16063.

It is an arithmetic number, because the mean of its divisors is an integer number (247104).

Almost surely, 2^3145105 is an apocalyptic number.

It is an amenable number.

3145105 is a deficient number, since it is larger than the sum of its proper divisors (808559).

3145105 is a wasteful number, since it uses less digits than its factorization.

3145105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 3145105 is about 1773.4443887531. Note that the first 3 decimals coincide. The cubic root of 3145105 is about 146.5137495977.

The spelling of 3145105 in words is "three million, one hundred forty-five thousand, one hundred five".