45040530 has 16 divisors (see below), whose sum is σ = 108097344. Its totient is φ = 12010800.

The previous prime is 45040529. The next prime is 45040543. The reversal of 45040530 is 3504054.

It is a happy number.

45040530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45040497 and 45040506.

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 7 ways as a sum of consecutive naturals, for example, 750646 + ... + 750705.

It is an arithmetic number, because the mean of its divisors is an integer number (6756084).

Almost surely, 2^45040530 is an apocalyptic number.

45040530 is an abundant number, since it is smaller than the sum of its proper divisors (63056814).

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

45040530 is a wasteful number, since it uses less digits than its factorization.

45040530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501361.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 45040530 is about 6711.2241804309. The cubic root of 45040530 is about 355.7960842468.

Adding to 45040530 its reverse (3504054), we get a palindrome (48544584).

The spelling of 45040530 in words is "forty-five million, forty thousand, five hundred thirty".