45122412 has 24 divisors (see below), whose sum is σ = 109863936. Its totient is φ = 14386768.

The previous prime is 45122401. The next prime is 45122419. The reversal of 45122412 is 21422154.

It is not an unprimeable number, because it can be changed into a prime (45122419) 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, 81468 + ... + 82019.

It is an arithmetic number, because the mean of its divisors is an integer number (4577664).

Almost surely, 2^45122412 is an apocalyptic number.

It is an amenable number.

45122412 is an abundant number, since it is smaller than the sum of its proper divisors (64741524).

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

45122412 is a wasteful number, since it uses less digits than its factorization.

45122412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163517 (or 163515 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 45122412 is about 6717.3217877365. The cubic root of 45122412 is about 356.0115617168.

Adding to 45122412 its reverse (21422154), we get a palindrome (66544566).

The spelling of 45122412 in words is "forty-five million, one hundred twenty-two thousand, four hundred twelve".