45320540 has 12 divisors (see below), whose sum is σ = 95173176. Its totient is φ = 18128208.

The previous prime is 45320537. The next prime is 45320551. The reversal of 45320540 is 4502354.

45320540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 1132994 + ... + 1133033.

It is an arithmetic number, because the mean of its divisors is an integer number (7931098).

Almost surely, 2^45320540 is an apocalyptic number.

It is an amenable number.

45320540 is an abundant number, since it is smaller than the sum of its proper divisors (49852636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45320540 is a wasteful number, since it uses less digits than its factorization.

45320540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266036 (or 2266034 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45320540 is about 6732.0531786373. The cubic root of 45320540 is about 356.5318713076.

Adding to 45320540 its reverse (4502354), we get a palindrome (49822894).

The spelling of 45320540 in words is "forty-five million, three hundred twenty thousand, five hundred forty".