4140845 has 4 divisors (see below), whose sum is σ = 4969020. Its totient is φ = 3312672.

The previous prime is 4140839. The next prime is 4140847. The reversal of 4140845 is 5480414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5480414 = 2 ⋅2740207.

It can be written as a sum of positive squares in 2 ways, for example, as 2427364 + 1713481 = 1558^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 4140845 - 2⁸ = 4140589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414080 + ... + 414089.

It is an arithmetic number, because the mean of its divisors is an integer number (1242255).

Almost surely, 2^4140845 is an apocalyptic number.

It is an amenable number.

4140845 is a deficient number, since it is larger than the sum of its proper divisors (828175).

4140845 is an equidigital number, since it uses as much as digits as its factorization.

4140845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828174.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 4140845 is about 2034.9066317647. The cubic root of 4140845 is about 160.5818011281.

The spelling of 4140845 in words is "four million, one hundred forty thousand, eight hundred forty-five".