4102745 has 16 divisors (see below), whose sum is σ = 5147328. Its totient is φ = 3136320.

The previous prime is 4102733. The next prime is 4102753. The reversal of 4102745 is 5472014.

It is not a de Polignac number, because 4102745 - 2¹⁸ = 3840601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4102745.

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 15 ways as a sum of consecutive naturals, for example, 12230 + ... + 12560.

It is an arithmetic number, because the mean of its divisors is an integer number (321708).

Almost surely, 2^4102745 is an apocalyptic number.

It is an amenable number.

4102745 is a deficient number, since it is larger than the sum of its proper divisors (1044583).

4102745 is a wasteful number, since it uses less digits than its factorization.

4102745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 4102745 is about 2025.5233891516. The cubic root of 4102745 is about 160.0877773566.

Adding to 4102745 its reverse (5472014), we get a palindrome (9574759).

The spelling of 4102745 in words is "four million, one hundred two thousand, seven hundred forty-five".