243853452 has 36 divisors (see below), whose sum is σ = 643209840. Its totient is φ = 77750112.

The previous prime is 243853451. The next prime is 243853469. The reversal of 243853452 is 254358342.

243853452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (243853451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146427 + ... + 148082.

It is an arithmetic number, because the mean of its divisors is an integer number (17866940).

Almost surely, 2^243853452 is an apocalyptic number.

It is an amenable number.

243853452 is an abundant number, since it is smaller than the sum of its proper divisors (399356388).

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

243853452 is a wasteful number, since it uses less digits than its factorization.

243853452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294542 (or 294537 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 243853452 is about 15615.8077600872. The cubic root of 243853452 is about 624.7548495613.

The spelling of 243853452 in words is "two hundred forty-three million, eight hundred fifty-three thousand, four hundred fifty-two".