3109045 has 16 divisors (see below), whose sum is σ = 4008960. Its totient is φ = 2306304.

The previous prime is 3109031. The next prime is 3109069. The reversal of 3109045 is 5409013.

It is a cyclic number.

It is not a de Polignac number, because 3109045 - 2²¹ = 1011893 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6484 + ... + 6946.

It is an arithmetic number, because the mean of its divisors is an integer number (250560).

Almost surely, 2^3109045 is an apocalyptic number.

It is an amenable number.

3109045 is a deficient number, since it is larger than the sum of its proper divisors (899915).

3109045 is a wasteful number, since it uses less digits than its factorization.

3109045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3109045 is about 1763.2484226563. The cubic root of 3109045 is about 145.9516478404.

Subtracting 3109045 from its reverse (5409013), we obtain a cube (2299968 = 132³).

The spelling of 3109045 in words is "three million, one hundred nine thousand, forty-five".