4540504145 has 4 divisors (see below), whose sum is σ = 5448604980. Its totient is φ = 3632403312.

The previous prime is 4540504121. The next prime is 4540504159. The reversal of 4540504145 is 5414050454.

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 1523418961 + 3017085184 = 39031^2 + 54928^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540504145 - 2¹² = 4540500049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454050410 + ... + 454050419.

It is an arithmetic number, because the mean of its divisors is an integer number (1362151245).

Almost surely, 2^4540504145 is an apocalyptic number.

It is an amenable number.

4540504145 is a deficient number, since it is larger than the sum of its proper divisors (908100835).

4540504145 is an equidigital number, since it uses as much as digits as its factorization.

4540504145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908100834.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 4540504145 is about 67383.2630925514. The cubic root of 4540504145 is about 1655.9022343866.

Adding to 4540504145 its reverse (5414050454), we get a palindrome (9954554599).

The spelling of 4540504145 in words is "four billion, five hundred forty million, five hundred four thousand, one hundred forty-five".