243291048 has 384 divisors, whose sum is σ = 885427200. Its totient is φ = 53913600.

The previous prime is 243291031. The next prime is 243291073. The reversal of 243291048 is 840192342.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 95 ways as a sum of consecutive naturals, for example, 5933908 + ... + 5933948.

It is an arithmetic number, because the mean of its divisors is an integer number (2305800).

Almost surely, 2^243291048 is an apocalyptic number.

243291048 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 243291048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442713600).

243291048 is an abundant number, since it is smaller than the sum of its proper divisors (642136152).

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

243291048 is a wasteful number, since it uses less digits than its factorization.

243291048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 243291048 is about 15597.7898434362. The cubic root of 243291048 is about 624.2741850612.

The spelling of 243291048 in words is "two hundred forty-three million, two hundred ninety-one thousand, forty-eight".