4544505 has 60 divisors (see below), whose sum is σ = 9517860. Its totient is φ = 2068416.

The previous prime is 4544489. The next prime is 4544509. The reversal of 4544505 is 5054454.

It can be written as a sum of positive squares in 2 ways, for example, as 3111696 + 1432809 = 1764^2 + 1197^2 .

It is not a de Polignac number, because 4544505 - 2⁴ = 4544489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544509) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19731 + ... + 19959.

It is an arithmetic number, because the mean of its divisors is an integer number (158631).

Almost surely, 2^4544505 is an apocalyptic number.

4544505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4544505 is an abundant number, since it is smaller than the sum of its proper divisors (4973355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4544505 is a wasteful number, since it uses less digits than its factorization.

4544505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 4544505 is about 2131.7844637768. The cubic root of 4544505 is about 165.6388456445.

Adding to 4544505 its reverse (5054454), we get a palindrome (9598959).

The spelling of 4544505 in words is "four million, five hundred forty-four thousand, five hundred five".