945520212 has 288 divisors, whose sum is σ = 3026854656. Its totient is φ = 222842880.

The previous prime is 945520193. The next prime is 945520217. The reversal of 945520212 is 212025549.

It is a self number, because there is not a number n which added to its sum of digits gives 945520212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945520217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17839978 + ... + 17840030.

It is an arithmetic number, because the mean of its divisors is an integer number (10509912).

Almost surely, 2^945520212 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 945520212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513427328).

945520212 is an abundant number, since it is smaller than the sum of its proper divisors (2081334444).

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

945520212 is a wasteful number, since it uses less digits than its factorization.

945520212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 945520212 is about 30749.3123825558. The cubic root of 945520212 is about 981.4999285906.

The spelling of 945520212 in words is "nine hundred forty-five million, five hundred twenty thousand, two hundred twelve".