4512045 has 16 divisors (see below), whose sum is σ = 7255872. Its totient is φ = 2394240.

The previous prime is 4512043. The next prime is 4512059. The reversal of 4512045 is 5402154.

It is not a de Polignac number, because 4512045 - 2¹ = 4512043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4512043) 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 15 ways as a sum of consecutive naturals, for example, 2850 + ... + 4140.

It is an arithmetic number, because the mean of its divisors is an integer number (453492).

Almost surely, 2^4512045 is an apocalyptic number.

It is an amenable number.

4512045 is a deficient number, since it is larger than the sum of its proper divisors (2743827).

4512045 is a wasteful number, since it uses less digits than its factorization.

4512045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4512045 is about 2124.1574800377. The cubic root of 4512045 is about 165.2435338565.

Adding to 4512045 its reverse (5402154), we get a palindrome (9914199).

It can be divided in two parts, 45 and 12045, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 4512045 in words is "four million, five hundred twelve thousand, forty-five".