4512545 has 8 divisors (see below), whose sum is σ = 5601960. Its totient is φ = 3485440.

The previous prime is 4512527. The next prime is 4512551. The reversal of 4512545 is 5452154.

It can be written as a sum of positive squares in 4 ways, for example, as 528529 + 3984016 = 727^2 + 1996^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4512545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15416 + ... + 15705.

It is an arithmetic number, because the mean of its divisors is an integer number (700245).

Almost surely, 2^4512545 is an apocalyptic number.

It is an amenable number.

4512545 is a deficient number, since it is larger than the sum of its proper divisors (1089415).

4512545 is a wasteful number, since it uses less digits than its factorization.

4512545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31155.

The product of its digits is 4000, while the sum is 26.

The square root of 4512545 is about 2124.2751704993. The cubic root of 4512545 is about 165.2496374241.

Adding to 4512545 its reverse (5452154), we get a palindrome (9964699).

It can be divided in two parts, 45125 and 45, that multiplied together give a square (2030625 = 1425²).

The spelling of 4512545 in words is "four million, five hundred twelve thousand, five hundred forty-five".