243001152143 has 4 divisors (see below), whose sum is σ = 243014336400. Its totient is φ = 242987967888.

The previous prime is 243001152091. The next prime is 243001152151. The reversal of 243001152143 is 341251100342.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243001152143 - 2¹⁰ = 243001151119 is a prime.

It is a super-3 number, since 3×243001152143³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243001152193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6564443 + ... + 6601356.

It is an arithmetic number, because the mean of its divisors is an integer number (60753584100).

Almost surely, 2^243001152143 is an apocalyptic number.

243001152143 is a deficient number, since it is larger than the sum of its proper divisors (13184257).

243001152143 is a wasteful number, since it uses less digits than its factorization.

243001152143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184256.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 243001152143 its reverse (341251100342), we get a palindrome (584252252485).

The spelling of 243001152143 in words is "two hundred forty-three billion, one million, one hundred fifty-two thousand, one hundred forty-three".