3105045445 has 4 divisors (see below), whose sum is σ = 3726054540. Its totient is φ = 2484036352.

The previous prime is 3105045443. The next prime is 3105045487. The reversal of 3105045445 is 5445405013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5445405013 = 823 ⋅6616531.

It can be written as a sum of positive squares in 2 ways, for example, as 2405019681 + 700025764 = 49041^2 + 26458^2 .

It is a cyclic number.

It is not a de Polignac number, because 3105045445 - 2¹ = 3105045443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3105045443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310504540 + ... + 310504549.

It is an arithmetic number, because the mean of its divisors is an integer number (931513635).

Almost surely, 2^3105045445 is an apocalyptic number.

It is an amenable number.

3105045445 is a deficient number, since it is larger than the sum of its proper divisors (621009095).

3105045445 is an equidigital number, since it uses as much as digits as its factorization.

3105045445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621009094.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 3105045445 is about 55722.9346409537. The cubic root of 3105045445 is about 1458.8903567330.

The spelling of 3105045445 in words is "three billion, one hundred five million, forty-five thousand, four hundred forty-five".