4102045 has 4 divisors (see below), whose sum is σ = 4922460. Its totient is φ = 3281632.

The previous prime is 4102039. The next prime is 4102069. The reversal of 4102045 is 5402014.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5402014 = 2 ⋅2701007.

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 1855044 = 1499^2 + 1362^2 .

It is a cyclic number.

It is not a de Polignac number, because 4102045 - 2³ = 4102037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410200 + ... + 410209.

It is an arithmetic number, because the mean of its divisors is an integer number (1230615).

Almost surely, 2^4102045 is an apocalyptic number.

It is an amenable number.

4102045 is a deficient number, since it is larger than the sum of its proper divisors (820415).

4102045 is an equidigital number, since it uses as much as digits as its factorization.

4102045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820414.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4102045 is about 2025.3505869355. The cubic root of 4102045 is about 160.0786722479.

Adding to 4102045 its reverse (5402014), we get a palindrome (9504059).

The spelling of 4102045 in words is "four million, one hundred two thousand, forty-five".