243134001 has 32 divisors (see below), whose sum is σ = 394813440. Its totient is φ = 146653200.

The previous prime is 243133987. The next prime is 243134011. The reversal of 243134001 is 100431342.

It is not a de Polignac number, because 243134001 - 2¹⁴ = 243117617 is a prime.

It is a super-2 number, since 2×243134001² = 118228284884536002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243134011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64396 + ... + 68066.

It is an arithmetic number, because the mean of its divisors is an integer number (12337920).

Almost surely, 2^243134001 is an apocalyptic number.

It is an amenable number.

243134001 is a deficient number, since it is larger than the sum of its proper divisors (151679439).

243134001 is a wasteful number, since it uses less digits than its factorization.

243134001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914 (or 3908 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 243134001 is about 15592.7547598236. The cubic root of 243134001 is about 624.1398309044.

Adding to 243134001 its reverse (100431342), we get a palindrome (343565343).

The spelling of 243134001 in words is "two hundred forty-three million, one hundred thirty-four thousand, one".