43255212 has 144 divisors (see below), whose sum is σ = 136749312. Its totient is φ = 10333440.

The previous prime is 43255207. The next prime is 43255213. The reversal of 43255212 is 21255234.

It is not an unprimeable number, because it can be changed into a prime (43255213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156018 + ... + 156294.

It is an arithmetic number, because the mean of its divisors is an integer number (949648).

Almost surely, 2^43255212 is an apocalyptic number.

43255212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43255212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68374656).

43255212 is an abundant number, since it is smaller than the sum of its proper divisors (93494100).

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

43255212 is a wasteful number, since it uses less digits than its factorization.

43255212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 313 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 43255212 is about 6576.8694680676. The cubic root of 43255212 is about 351.0315472331.

It can be divided in two parts, 43 and 255212, that added together give a triangular number (255255 = T₇₁₄).

The spelling of 43255212 in words is "forty-three million, two hundred fifty-five thousand, two hundred twelve".