272144243 has 4 divisors (see below), whose sum is σ = 311022000. Its totient is φ = 233266488.

The previous prime is 272144237. The next prime is 272144251. The reversal of 272144243 is 342441272.

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

It is not a de Polignac number, because 272144243 - 2⁴ = 272144227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272144263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19438868 + ... + 19438881.

It is an arithmetic number, because the mean of its divisors is an integer number (77755500).

Almost surely, 2^272144243 is an apocalyptic number.

272144243 is a deficient number, since it is larger than the sum of its proper divisors (38877757).

272144243 is an equidigital number, since it uses as much as digits as its factorization.

272144243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38877756.

The product of its digits is 10752, while the sum is 29.

The square root of 272144243 is about 16496.7949311374. The cubic root of 272144243 is about 648.0368722033.

It can be divided in two parts, 2721 and 44243, that added together give a palindrome (46964).

The spelling of 272144243 in words is "two hundred seventy-two million, one hundred forty-four thousand, two hundred forty-three".