4100945 has 8 divisors (see below), whose sum is σ = 4969536. Its totient is φ = 3248496.

The previous prime is 4100939. The next prime is 4100951. The reversal of 4100945 is 5490014.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4100939) and next prime (4100951).

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 4100945 - 2⁶ = 4100881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4100945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3467 + ... + 4496.

It is an arithmetic number, because the mean of its divisors is an integer number (621192).

Almost surely, 2^4100945 is an apocalyptic number.

It is an amenable number.

4100945 is a deficient number, since it is larger than the sum of its proper divisors (868591).

4100945 is a wasteful number, since it uses less digits than its factorization.

4100945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4100945 is about 2025.0790108043. The cubic root of 4100945 is about 160.0643621268.

Adding to 4100945 its reverse (5490014), we get a palindrome (9590959).

The spelling of 4100945 in words is "four million, one hundred thousand, nine hundred forty-five".