45240412 has 24 divisors (see below), whose sum is σ = 91419104. Its totient is φ = 19187712.

The previous prime is 45240397. The next prime is 45240413. The reversal of 45240412 is 21404254.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45240413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5613 + ... + 11044.

Almost surely, 2^45240412 is an apocalyptic number.

It is an amenable number.

45240412 is an abundant number, since it is smaller than the sum of its proper divisors (46178692).

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

45240412 is a wasteful number, since it uses less digits than its factorization.

45240412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16765 (or 16763 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 45240412 is about 6726.0993153536. The cubic root of 45240412 is about 356.3216278669.

Adding to 45240412 its reverse (21404254), we get a palindrome (66644666).

The spelling of 45240412 in words is "forty-five million, two hundred forty thousand, four hundred twelve".