4524545 has 12 divisors (see below), whose sum is σ = 5588604. Its totient is φ = 3516480.

The previous prime is 4524539. The next prime is 4524547. The reversal of 4524545 is 5454254.

It can be written as a sum of positive squares in 6 ways, for example, as 1201216 + 3323329 = 1096^2 + 1823^2 .

It is not a de Polignac number, because 4524545 - 2⁴ = 4524529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4524547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6515 + ... + 7175.

It is an arithmetic number, because the mean of its divisors is an integer number (465717).

Almost surely, 2^4524545 is an apocalyptic number.

It is an amenable number.

4524545 is a deficient number, since it is larger than the sum of its proper divisors (1064059).

4524545 is an equidigital number, since it uses as much as digits as its factorization.

4524545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 703 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 4524545 is about 2127.0977880671. The cubic root of 4524545 is about 165.3959879853.

Adding to 4524545 its reverse (5454254), we get a palindrome (9978799).

The spelling of 4524545 in words is "four million, five hundred twenty-four thousand, five hundred forty-five".