243939150 has 432 divisors, whose sum is σ = 879881184. Its totient is φ = 47900160.

The previous prime is 243939149. The next prime is 243939167. The reversal of 243939150 is 51939342.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 6592932 + ... + 6592968.

It is an arithmetic number, because the mean of its divisors is an integer number (2036762).

Almost surely, 2^243939150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243939150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439940592).

243939150 is an abundant number, since it is smaller than the sum of its proper divisors (635942034).

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

243939150 is a wasteful number, since it uses less digits than its factorization.

243939150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 243939150 is about 15618.5514693265. The cubic root of 243939150 is about 624.8280273517.

The spelling of 243939150 in words is "two hundred forty-three million, nine hundred thirty-nine thousand, one hundred fifty".