243012945085000 has 40 divisors (see below), whose sum is σ = 569379330345870. Its totient is φ = 97205178032000.

The previous prime is 243012945084979. The next prime is 243012945085037. The reversal of 243012945085000 is 580549210342.

It can be written as a sum of positive squares in 5 ways, for example, as 13108324373764 + 229904620711236 = 3620542^2 + 15162606^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24301289509 + ... + 24301299508.

Almost surely, 2^{243012945085000} is an apocalyptic number.

243012945085000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243012945085000 is an abundant number, since it is smaller than the sum of its proper divisors (326366385260870).

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

243012945085000 is an equidigital number, since it uses as much as digits as its factorization.

243012945085000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48602589043 (or 48602589024 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 243012945085000 in words is "two hundred forty-three trillion, twelve billion, nine hundred forty-five million, eighty-five thousand".