45215504 has 20 divisors (see below), whose sum is σ = 89470464. Its totient is φ = 22126368.

The previous prime is 45215503. The next prime is 45215507. The reversal of 45215504 is 40551254.

45215504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45215503) 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 3 ways as a sum of consecutive naturals, for example, 29312 + ... + 30815.

Almost surely, 2^45215504 is an apocalyptic number.

It is an amenable number.

45215504 is a deficient number, since it is larger than the sum of its proper divisors (44254960).

45215504 is a wasteful number, since it uses less digits than its factorization.

45215504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60182 (or 60176 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 45215504 is about 6724.2474671892. The cubic root of 45215504 is about 356.2562225650.

Adding to 45215504 its reverse (40551254), we get a palindrome (85766758).

The spelling of 45215504 in words is "forty-five million, two hundred fifteen thousand, five hundred four".