45322012 has 12 divisors (see below), whose sum is σ = 82048680. Its totient is φ = 21879536.

The previous prime is 45322009. The next prime is 45322019. The reversal of 45322012 is 21022354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45322019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195238 + ... + 195469.

It is an arithmetic number, because the mean of its divisors is an integer number (6837390).

Almost surely, 2^45322012 is an apocalyptic number.

It is an amenable number.

45322012 is a deficient number, since it is larger than the sum of its proper divisors (36726668).

45322012 is a wasteful number, since it uses less digits than its factorization.

45322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390740 (or 390738 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45322012 is about 6732.1625054658. The cubic root of 45322012 is about 356.5357312884.

Adding to 45322012 its reverse (21022354), we get a palindrome (66344366).

The spelling of 45322012 in words is "forty-five million, three hundred twenty-two thousand, twelve".