243382146 has 64 divisors (see below), whose sum is σ = 568547328. Its totient is φ = 68024448.

The previous prime is 243382133. The next prime is 243382151. The reversal of 243382146 is 641283342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499515 + ... + 500001.

It is an arithmetic number, because the mean of its divisors is an integer number (8883552).

Almost surely, 2^243382146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243382146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284273664).

243382146 is an abundant number, since it is smaller than the sum of its proper divisors (325165182).

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

243382146 is a wasteful number, since it uses less digits than its factorization.

243382146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735.

The product of its digits is 27648, while the sum is 33.

The square root of 243382146 is about 15600.7097915447. The cubic root of 243382146 is about 624.3520931655.

The spelling of 243382146 in words is "two hundred forty-three million, three hundred eighty-two thousand, one hundred forty-six".