45304515 has 20 divisors (see below), whose sum is σ = 81213264. Its totient is φ = 24162192.

The previous prime is 45304513. The next prime is 45304537. The reversal of 45304515 is 51540354.

45304515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45304515 - 2¹ = 45304513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45304513) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 55527 + ... + 56336.

Almost surely, 2^45304515 is an apocalyptic number.

45304515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45304515 is a deficient number, since it is larger than the sum of its proper divisors (35908749).

45304515 is a wasteful number, since it uses less digits than its factorization.

45304515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111880 (or 111871 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45304515 is about 6730.8628718761. The cubic root of 45304515 is about 356.4898440298.

Adding to 45304515 its reverse (51540354), we get a palindrome (96844869).

It can be divided in two parts, 4530 and 4515, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 45304515 in words is "forty-five million, three hundred four thousand, five hundred fifteen".