45040332 has 12 divisors (see below), whose sum is σ = 105094136. Its totient is φ = 15013440.

The previous prime is 45040313. The next prime is 45040337. The reversal of 45040332 is 23304054.

It is a happy number.

45040332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 45040299 and 45040308.

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 3 ways as a sum of consecutive naturals, for example, 1876669 + ... + 1876692.

Almost surely, 2^45040332 is an apocalyptic number.

It is an amenable number.

45040332 is an abundant number, since it is smaller than the sum of its proper divisors (60053804).

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

45040332 is a wasteful number, since it uses less digits than its factorization.

45040332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753368 (or 3753366 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 45040332 is about 6711.2094290076. The cubic root of 45040332 is about 355.7955628813.

Adding to 45040332 its reverse (23304054), we get a palindrome (68344386).

The spelling of 45040332 in words is "forty-five million, forty thousand, three hundred thirty-two".