4540525521745 has 4 divisors (see below), whose sum is σ = 5448630626100. Its totient is φ = 3632420417392.

The previous prime is 4540525521713. The next prime is 4540525521787. The reversal of 4540525521745 is 5471255250454.

4540525521745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 976268491969 + 3564257029776 = 988063^2 + 1887924^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540525521745 - 2⁵ = 4540525521713 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 454052552170 + ... + 454052552179.

It is an arithmetic number, because the mean of its divisors is an integer number (1362157656525).

Almost surely, 2^{4540525521745} is an apocalyptic number.

It is an amenable number.

4540525521745 is a deficient number, since it is larger than the sum of its proper divisors (908105104355).

4540525521745 is an equidigital number, since it uses as much as digits as its factorization.

4540525521745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908105104354.

The product of its (nonzero) digits is 5600000, while the sum is 49.

The spelling of 4540525521745 in words is "four trillion, five hundred forty billion, five hundred twenty-five million, five hundred twenty-one thousand, seven hundred forty-five".