243089108 has 6 divisors (see below), whose sum is σ = 425405946. Its totient is φ = 121544552.

The previous prime is 243089089. The next prime is 243089117. The reversal of 243089108 is 801980342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125843524 + 117245584 = 11218^2 + 10828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30386135 + ... + 30386142.

It is an arithmetic number, because the mean of its divisors is an integer number (70900991).

Almost surely, 2^243089108 is an apocalyptic number.

It is an amenable number.

243089108 is a deficient number, since it is larger than the sum of its proper divisors (182316838).

243089108 is a wasteful number, since it uses less digits than its factorization.

243089108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60772281 (or 60772279 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 243089108 is about 15591.3151465808. The cubic root of 243089108 is about 624.1014141821.

The spelling of 243089108 in words is "two hundred forty-three million, eighty-nine thousand, one hundred eight".