3101445 has 24 divisors (see below), whose sum is σ = 5510232. Its totient is φ = 1613760.

The previous prime is 3101437. The next prime is 3101459. The reversal of 3101445 is 5441013.

It is a happy number.

3101445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1954404 + 1147041 = 1398^2 + 1071^2 .

It is not a de Polignac number, because 3101445 - 2³ = 3101437 is a prime.

It is a super-2 number, since 2×3101445² = 19237922176050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75625 + ... + 75665.

It is an arithmetic number, because the mean of its divisors is an integer number (229593).

Almost surely, 2^3101445 is an apocalyptic number.

It is an amenable number.

3101445 is a deficient number, since it is larger than the sum of its proper divisors (2408787).

3101445 is an frugal number, since it uses more digits than its factorization.

3101445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3101445 is about 1761.0919907830. The cubic root of 3101445 is about 145.8326254841.

Adding to 3101445 its reverse (5441013), we get a palindrome (8542458).

The spelling of 3101445 in words is "three million, one hundred one thousand, four hundred forty-five".