243356064 has 48 divisors (see below), whose sum is σ = 730070208. Its totient is φ = 69530112.

The previous prime is 243356063. The next prime is 243356089. The reversal of 243356064 is 460653342.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (243356063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180397 + ... + 181740.

It is an arithmetic number, because the mean of its divisors is an integer number (15209796).

Almost surely, 2^243356064 is an apocalyptic number.

243356064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243356064 is an abundant number, since it is smaller than the sum of its proper divisors (486714144).

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

243356064 is a wasteful number, since it uses less digits than its factorization.

243356064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362157 (or 362149 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 243356064 is about 15599.8738456438. The cubic root of 243356064 is about 624.3297895122.

The spelling of 243356064 in words is "two hundred forty-three million, three hundred fifty-six thousand, sixty-four".