4365545 has 4 divisors (see below), whose sum is σ = 5238660. Its totient is φ = 3492432.

The previous prime is 4365541. The next prime is 4365553. The reversal of 4365545 is 5455634.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5455634 = 2 ⋅2727817.

It can be written as a sum of positive squares in 2 ways, for example, as 1056784 + 3308761 = 1028^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 4365545 - 2² = 4365541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4365541) 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, 436550 + ... + 436559.

It is an arithmetic number, because the mean of its divisors is an integer number (1309665).

Almost surely, 2^4365545 is an apocalyptic number.

It is an amenable number.

4365545 is a deficient number, since it is larger than the sum of its proper divisors (873115).

4365545 is an equidigital number, since it uses as much as digits as its factorization.

4365545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873114.

The product of its digits is 36000, while the sum is 32.

The square root of 4365545 is about 2089.3886665721. The cubic root of 4365545 is about 163.4354098384.

The spelling of 4365545 in words is "four million, three hundred sixty-five thousand, five hundred forty-five".