45423212 has 12 divisors (see below), whose sum is σ = 80234280. Its totient is φ = 22499136.

The previous prime is 45423199. The next prime is 45423221. The reversal of 45423212 is 21232454.

It is a happy number.

45423212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 52637 + ... + 53492.

It is an arithmetic number, because the mean of its divisors is an integer number (6686190).

Almost surely, 2^45423212 is an apocalyptic number.

It is an amenable number.

45423212 is a deficient number, since it is larger than the sum of its proper divisors (34811068).

45423212 is a wasteful number, since it uses less digits than its factorization.

45423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106240 (or 106238 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 45423212 is about 6739.6744728510. The cubic root of 45423212 is about 356.8009048185.

Adding to 45423212 its reverse (21232454), we get a palindrome (66655666).

The spelling of 45423212 in words is "forty-five million, four hundred twenty-three thousand, two hundred twelve".