243454848 has 128 divisors (see below), whose sum is σ = 796024320. Its totient is φ = 64198656.

The previous prime is 243454837. The next prime is 243454867. The reversal of 243454848 is 848454342.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31461 + ... + 38427.

It is an arithmetic number, because the mean of its divisors is an integer number (6218940).

Almost surely, 2^243454848 is an apocalyptic number.

243454848 is a gapful number since it is divisible by the number (28) 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 243454848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398012160).

243454848 is an abundant number, since it is smaller than the sum of its proper divisors (552569472).

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

243454848 is a wasteful number, since it uses less digits than its factorization.

243454848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004 (or 6992 counting only the distinct ones).

The product of its digits is 491520, while the sum is 42.

The square root of 243454848 is about 15603.0397038526. The cubic root of 243454848 is about 624.4142548423.

The spelling of 243454848 in words is "two hundred forty-three million, four hundred fifty-four thousand, eight hundred forty-eight".