45121412 has 12 divisors (see below), whose sum is σ = 90242880. Its totient is φ = 19337736.

The previous prime is 45121411. The next prime is 45121429. The reversal of 45121412 is 21412154.

It is a happy number.

45121412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

45121412 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (45121411) 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, 805712 + ... + 805767.

It is an arithmetic number, because the mean of its divisors is an integer number (7520240).

Almost surely, 2^45121412 is an apocalyptic number.

It is an amenable number.

45121412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45121412 is a wasteful number, since it uses less digits than its factorization.

45121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611490 (or 1611488 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 45121412 is about 6717.2473528969. The cubic root of 45121412 is about 356.0089317289.

Adding to 45121412 its reverse (21412154), we get a palindrome (66533566).

The spelling of 45121412 in words is "forty-five million, one hundred twenty-one thousand, four hundred twelve".