243145454200 has 96 divisors (see below), whose sum is σ = 616823087760. Its totient is φ = 88399641600.

The previous prime is 243145454191. The next prime is 243145454213. The reversal of 243145454200 is 2454541342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21142852 + ... + 21154348.

Almost surely, 2^243145454200 is an apocalyptic number.

243145454200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243145454200 is an abundant number, since it is smaller than the sum of its proper divisors (373677633560).

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

243145454200 is a wasteful number, since it uses less digits than its factorization.

243145454200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21137 (or 21128 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 243145454200 its reverse (2454541342), we get a palindrome (245599995542).

The spelling of 243145454200 in words is "two hundred forty-three billion, one hundred forty-five million, four hundred fifty-four thousand, two hundred".