243245044100 has 18 divisors (see below), whose sum is σ = 527841745914. Its totient is φ = 97298017600.

The previous prime is 243245044069. The next prime is 243245044103. The reversal of 243245044100 is 1440542342.

It can be written as a sum of positive squares in 3 ways, for example, as 49560554884 + 193684489216 = 222622^2 + 440096^2 .

It is a super-3 number, since 3×243245044100³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (243245044103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1216225121 + ... + 1216225320.

Almost surely, 2^243245044100 is an apocalyptic number.

243245044100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243245044100 is an abundant number, since it is smaller than the sum of its proper divisors (284596701814).

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

243245044100 is a wasteful number, since it uses less digits than its factorization.

243245044100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432450455 (or 2432450448 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 243245044100 its reverse (1440542342), we get a palindrome (244685586442).

The spelling of 243245044100 in words is "two hundred forty-three billion, two hundred forty-five million, forty-four thousand, one hundred".