4100845 has 8 divisors (see below), whose sum is σ = 5624064. Its totient is φ = 2811984.

The previous prime is 4100819. The next prime is 4100849. The reversal of 4100845 is 5480014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4100845 - 2⁵ = 4100813 is a prime.

It is a Duffinian number.

4100845 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58549 + ... + 58618.

It is an arithmetic number, because the mean of its divisors is an integer number (703008).

Almost surely, 2^4100845 is an apocalyptic number.

It is an amenable number.

4100845 is a deficient number, since it is larger than the sum of its proper divisors (1523219).

4100845 is a wasteful number, since it uses less digits than its factorization.

4100845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117179.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4100845 is about 2025.0543202591. The cubic root of 4100845 is about 160.0630610799.

Adding to 4100845 its reverse (5480014), we get a palindrome (9580859).

The spelling of 4100845 in words is "four million, one hundred thousand, eight hundred forty-five".