4545522561 has 32 divisors (see below), whose sum is σ = 6304629760. Its totient is φ = 2911132224.

The previous prime is 4545522559. The next prime is 4545522593. The reversal of 4545522561 is 1652255454.

It is not a de Polignac number, because 4545522561 - 2¹ = 4545522559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4545522521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2084970 + ... + 2087148.

It is an arithmetic number, because the mean of its divisors is an integer number (197019680).

Almost surely, 2^4545522561 is an apocalyptic number.

It is an amenable number.

4545522561 is a deficient number, since it is larger than the sum of its proper divisors (1759107199).

4545522561 is a wasteful number, since it uses less digits than its factorization.

4545522561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485.

The product of its digits is 240000, while the sum is 39.

The square root of 4545522561 is about 67420.4906612226. The cubic root of 4545522561 is about 1656.5120746394.

The spelling of 4545522561 in words is "four billion, five hundred forty-five million, five hundred twenty-two thousand, five hundred sixty-one".