4100345 has 8 divisors (see below), whose sum is σ = 5013576. Its totient is φ = 3218176.

The previous prime is 4100311. The next prime is 4100381. The reversal of 4100345 is 5430014.

It can be written as a sum of positive squares in 4 ways, for example, as 614656 + 3485689 = 784^2 + 1867^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4100345 - 2¹⁰ = 4099321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7472 + ... + 8001.

It is an arithmetic number, because the mean of its divisors is an integer number (626697).

Almost surely, 2^4100345 is an apocalyptic number.

It is an amenable number.

4100345 is a deficient number, since it is larger than the sum of its proper divisors (913231).

4100345 is a wasteful number, since it uses less digits than its factorization.

4100345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15531.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4100345 is about 2024.9308630173. The cubic root of 4100345 is about 160.0565555277.

Adding to 4100345 its reverse (5430014), we get a palindrome (9530359).

The spelling of 4100345 in words is "four million, one hundred thousand, three hundred forty-five".