4605445 has 8 divisors (see below), whose sum is σ = 5951736. Its totient is φ = 3400896.

The previous prime is 4605443. The next prime is 4605449. The reversal of 4605445 is 5445064.

4605445 = 46² + 47² + ... + 240².

It can be written as a sum of positive squares in 4 ways, for example, as 516961 + 4088484 = 719^2 + 2022^2 .

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 4605445 - 2¹ = 4605443 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4605443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35362 + ... + 35491.

It is an arithmetic number, because the mean of its divisors is an integer number (743967).

Almost surely, 2^4605445 is an apocalyptic number.

It is an amenable number.

4605445 is a deficient number, since it is larger than the sum of its proper divisors (1346291).

4605445 is a wasteful number, since it uses less digits than its factorization.

4605445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70871.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4605445 is about 2146.0300557075. The cubic root of 4605445 is about 166.3759442890.

It can be divided in two parts, 4605 and 445, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4605445 in words is "four million, six hundred five thousand, four hundred forty-five".