243000454660 has 12 divisors (see below), whose sum is σ = 510300954828. Its totient is φ = 97200181856.

The previous prime is 243000454597. The next prime is 243000454673. The reversal of 243000454660 is 66454000342.

It can be written as a sum of positive squares in 2 ways, for example, as 35007906816 + 207992547844 = 187104^2 + 456062^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6075011347 + ... + 6075011386.

It is an arithmetic number, because the mean of its divisors is an integer number (42525079569).

Almost surely, 2^243000454660 is an apocalyptic number.

243000454660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243000454660 is an abundant number, since it is smaller than the sum of its proper divisors (267300500168).

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

243000454660 is a wasteful number, since it uses less digits than its factorization.

243000454660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12150022742 (or 12150022740 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 243000454660 in words is "two hundred forty-three billion, four hundred fifty-four thousand, six hundred sixty".