4506568145 has 4 divisors (see below), whose sum is σ = 5407881780. Its totient is φ = 3605254512.

The previous prime is 4506568141. The next prime is 4506568151. The reversal of 4506568145 is 5418656054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1892598016 + 2613970129 = 43504^2 + 51127^2 .

It is a cyclic number.

It is not a de Polignac number, because 4506568145 - 2² = 4506568141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4506568096 and 4506568105.

It is not an unprimeable number, because it can be changed into a prime (4506568141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450656810 + ... + 450656819.

It is an arithmetic number, because the mean of its divisors is an integer number (1351970445).

Almost surely, 2^4506568145 is an apocalyptic number.

It is an amenable number.

4506568145 is a deficient number, since it is larger than the sum of its proper divisors (901313635).

4506568145 is an equidigital number, since it uses as much as digits as its factorization.

4506568145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901313634.

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 4506568145 is about 67130.9775364548. The cubic root of 4506568145 is about 1651.7664760724.

The spelling of 4506568145 in words is "four billion, five hundred six million, five hundred sixty-eight thousand, one hundred forty-five".