45040330 has 16 divisors (see below), whose sum is σ = 81191880. Its totient is φ = 17989632.

The previous prime is 45040313. The next prime is 45040337. The reversal of 45040330 is 3304054.

45040330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 42419169 + 2621161 = 6513^2 + 1619^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45040298 and 45040307.

It is not an unprimeable number, because it can be changed into a prime (45040337) 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 7 ways as a sum of consecutive naturals, for example, 4762 + ... + 10618.

Almost surely, 2^45040330 is an apocalyptic number.

45040330 is a deficient number, since it is larger than the sum of its proper divisors (36151550).

45040330 is a wasteful number, since it uses less digits than its factorization.

45040330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 45040330 is about 6711.2092800031. The cubic root of 45040330 is about 355.7955576150.

Adding to 45040330 its reverse (3304054), we get a palindrome (48344384).

The spelling of 45040330 in words is "forty-five million, forty thousand, three hundred thirty".