243540150 has 48 divisors (see below), whose sum is σ = 690265344. Its totient is φ = 55666080.

The previous prime is 243540149. The next prime is 243540161. The reversal of 243540150 is 51045342.

It is a super-3 number, since 3×243540150³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243540150.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 114922 + ... + 117021.

It is an arithmetic number, because the mean of its divisors is an integer number (14380528).

Almost surely, 2^243540150 is an apocalyptic number.

243540150 is an abundant number, since it is smaller than the sum of its proper divisors (446725194).

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

243540150 is a wasteful number, since it uses less digits than its factorization.

243540150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231965 (or 231960 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 243540150 is about 15605.7729702825. The cubic root of 243540150 is about 624.4871739969.

Adding to 243540150 its reverse (51045342), we get a palindrome (294585492).

The spelling of 243540150 in words is "two hundred forty-three million, five hundred forty thousand, one hundred fifty".