4518345 has 64 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 1978368.

The previous prime is 4518337. The next prime is 4518347. The reversal of 4518345 is 5438154.

It is not a de Polignac number, because 4518345 - 2³ = 4518337 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4518347) 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 63 ways as a sum of consecutive naturals, for example, 96112 + ... + 96158.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 2^4518345 is an apocalyptic number.

It is an amenable number.

4518345 is a deficient number, since it is larger than the sum of its proper divisors (4190775).

4518345 is a wasteful number, since it uses less digits than its factorization.

4518345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114.

The product of its digits is 9600, while the sum is 30.

The square root of 4518345 is about 2125.6399036525. The cubic root of 4518345 is about 165.3204058824.

The spelling of 4518345 in words is "four million, five hundred eighteen thousand, three hundred forty-five".