45212132 has 12 divisors (see below), whose sum is σ = 90424320. Its totient is φ = 19376616.

The previous prime is 45212119. The next prime is 45212143. The reversal of 45212132 is 23121254.

45212132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

45212132 is an admirable number.

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, 807332 + ... + 807387.

It is an arithmetic number, because the mean of its divisors is an integer number (7535360).

Almost surely, 2^45212132 is an apocalyptic number.

It is an amenable number.

45212132 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.

45212132 is a wasteful number, since it uses less digits than its factorization.

45212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614730 (or 1614728 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 45212132 is about 6723.9967281372. The cubic root of 45212132 is about 356.2473662676.

Adding to 45212132 its reverse (23121254), we get a palindrome (68333386).

The spelling of 45212132 in words is "forty-five million, two hundred twelve thousand, one hundred thirty-two".