4540765 has 4 divisors (see below), whose sum is σ = 5448924. Its totient is φ = 3632608.

The previous prime is 4540763. The next prime is 4540769. The reversal of 4540765 is 5670454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3463321 + 1077444 = 1861^2 + 1038^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540765 - 2¹ = 4540763 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454072 + ... + 454081.

It is an arithmetic number, because the mean of its divisors is an integer number (1362231).

Almost surely, 2^4540765 is an apocalyptic number.

It is an amenable number.

4540765 is a deficient number, since it is larger than the sum of its proper divisors (908159).

4540765 is an equidigital number, since it uses as much as digits as its factorization.

4540765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908158.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 4540765 is about 2130.9070838495. The cubic root of 4540765 is about 165.5933944676.

The spelling of 4540765 in words is "four million, five hundred forty thousand, seven hundred sixty-five".