243134344 has 8 divisors (see below), whose sum is σ = 455876910. Its totient is φ = 121567168.

The previous prime is 243134327. The next prime is 243134369. The reversal of 243134344 is 443431342.

It can be written as a sum of positive squares in only one way, i.e., 157201444 + 85932900 = 12538^2 + 9270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×243134344³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15195889 + ... + 15195904.

Almost surely, 2^243134344 is an apocalyptic number.

It is an amenable number.

243134344 is a deficient number, since it is larger than the sum of its proper divisors (212742566).

243134344 is a wasteful number, since it uses less digits than its factorization.

243134344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30391799 (or 30391795 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 243134344 is about 15592.7657585176. The cubic root of 243134344 is about 624.1401244049.

Adding to 243134344 its reverse (443431342), we get a palindrome (686565686).

The spelling of 243134344 in words is "two hundred forty-three million, one hundred thirty-four thousand, three hundred forty-four".