3045105 has 36 divisors (see below), whose sum is σ = 6144372. Its totient is φ = 1391040.

The previous prime is 3045103. The next prime is 3045109. The reversal of 3045105 is 5015403.

It can be written as a sum of positive squares in 2 ways, for example, as 1238769 + 1806336 = 1113^2 + 1344^2 .

It is not a de Polignac number, because 3045105 - 2¹ = 3045103 is a prime.

It is a super-2 number, since 2×3045105² = 18545328922050, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3045101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1515 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (170677).

Almost surely, 2^3045105 is an apocalyptic number.

3045105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3045105 is an abundant number, since it is smaller than the sum of its proper divisors (3099267).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3045105 is a wasteful number, since it uses less digits than its factorization.

3045105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 3045105 is about 1745.0229224855. The cubic root of 3045105 is about 144.9441719283.

The spelling of 3045105 in words is "three million, forty-five thousand, one hundred five".