243053515133 has 8 divisors (see below), whose sum is σ = 285545388576. Its totient is φ = 203960991600.

The previous prime is 243053515129. The next prime is 243053515139. The reversal of 243053515133 is 331515350342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243053515133 - 2² = 243053515129 is a prime.

It is a super-2 number, since 2×243053515133² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243053515093 and 243053515102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243053515139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849837323 + ... + 849837608.

It is an arithmetic number, because the mean of its divisors is an integer number (35693173572).

Almost surely, 2^243053515133 is an apocalyptic number.

It is an amenable number.

243053515133 is a deficient number, since it is larger than the sum of its proper divisors (42491873443).

243053515133 is a wasteful number, since it uses less digits than its factorization.

243053515133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699674955.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 243053515133 its reverse (331515350342), we get a palindrome (574568865475).

The spelling of 243053515133 in words is "two hundred forty-three billion, fifty-three million, five hundred fifteen thousand, one hundred thirty-three".