243144201033 has 32 divisors (see below), whose sum is σ = 363797241600. Its totient is φ = 160484260608.

The previous prime is 243144201011. The next prime is 243144201059. The reversal of 243144201033 is 330102441342.

It is not a de Polignac number, because 243144201033 - 2⁸ = 243144200777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 243144200988 and 243144201006.

It is not an unprimeable number, because it can be changed into a prime (243144201073) 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, 16314241 + ... + 16329137.

It is an arithmetic number, because the mean of its divisors is an integer number (11368663800).

Almost surely, 2^243144201033 is an apocalyptic number.

It is an amenable number.

243144201033 is a deficient number, since it is larger than the sum of its proper divisors (120653040567).

243144201033 is a wasteful number, since it uses less digits than its factorization.

243144201033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20878 (or 20872 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 243144201033 its reverse (330102441342), we get a palindrome (573246642375).

The spelling of 243144201033 in words is "two hundred forty-three billion, one hundred forty-four million, two hundred one thousand, thirty-three".