45003515 has 4 divisors (see below), whose sum is σ = 54004224. Its totient is φ = 36002808.

The previous prime is 45003467. The next prime is 45003521. The reversal of 45003515 is 51530054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51530054 = 2 ⋅25765027.

It is a cyclic number.

It is not a de Polignac number, because 45003515 - 2¹⁶ = 44937979 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4500347 + ... + 4500356.

It is an arithmetic number, because the mean of its divisors is an integer number (13501056).

Almost surely, 2^45003515 is an apocalyptic number.

45003515 is a deficient number, since it is larger than the sum of its proper divisors (9000709).

45003515 is an equidigital number, since it uses as much as digits as its factorization.

45003515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000708.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 45003515 is about 6708.4659200148. The cubic root of 45003515 is about 355.6985913042.

Adding to 45003515 its reverse (51530054), we get a palindrome (96533569).

It can be divided in two parts, 4500 and 3515, that multiplied together give a triangular number (15817500 = T₅₆₂₄).

The spelling of 45003515 in words is "forty-five million, three thousand, five hundred fifteen".