45405412 has 24 divisors (see below), whose sum is σ = 85766072. Its totient is φ = 20908800.

The previous prime is 45405403. The next prime is 45405439. The reversal of 45405412 is 21450454.

It is a happy number.

45405412 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 14868736 + 30536676 = 3856^2 + 5526^2 .

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, 33712 + ... + 35032.

Almost surely, 2^45405412 is an apocalyptic number.

It is an amenable number.

45405412 is a deficient number, since it is larger than the sum of its proper divisors (40360660).

45405412 is a wasteful number, since it uses less digits than its factorization.

45405412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 45405412 is about 6738.3538048992. The cubic root of 45405412 is about 356.7542921903.

Adding to 45405412 its reverse (21450454), we get a palindrome (66855866).

The spelling of 45405412 in words is "forty-five million, four hundred five thousand, four hundred twelve".