45503515 has 4 divisors (see below), whose sum is σ = 54604224. Its totient is φ = 36402808.

The previous prime is 45503501. The next prime is 45503527. The reversal of 45503515 is 51530554.

45503515 is digitally balanced in base 2, 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 is a cyclic number.

It is not a de Polignac number, because 45503515 - 2⁵ = 45503483 is a prime.

It is a Duffinian 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, 4550347 + ... + 4550356.

It is an arithmetic number, because the mean of its divisors is an integer number (13651056).

Almost surely, 2^45503515 is an apocalyptic number.

45503515 is a deficient number, since it is larger than the sum of its proper divisors (9100709).

45503515 is an equidigital number, since it uses as much as digits as its factorization.

45503515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100708.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 45503515 is about 6745.6293257190. The cubic root of 45503515 is about 357.0110419839.

The spelling of 45503515 in words is "forty-five million, five hundred three thousand, five hundred fifteen".