45033212 has 48 divisors (see below), whose sum is σ = 93257472. Its totient is φ = 18627840.

The previous prime is 45033203. The next prime is 45033217. The reversal of 45033212 is 21233054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45033217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135887 + ... + 136217.

It is an arithmetic number, because the mean of its divisors is an integer number (1942864).

Almost surely, 2^45033212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45033212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46628736).

45033212 is an abundant number, since it is smaller than the sum of its proper divisors (48224260).

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

45033212 is a wasteful number, since it uses less digits than its factorization.

45033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 45033212 is about 6710.6789522372. The cubic root of 45033212 is about 355.7768137751.

Adding to 45033212 its reverse (21233054), we get a palindrome (66266266).

The spelling of 45033212 in words is "forty-five million, thirty-three thousand, two hundred twelve".