252144243 has 12 divisors (see below), whose sum is σ = 392224560. Its totient is φ = 155165616.

The previous prime is 252144199. The next prime is 252144247. The reversal of 252144243 is 342441252.

252144243 is a `hidden beast` number, since 25 + 214 + 424 + 3 = 666.

It is not a de Polignac number, because 252144243 - 2²⁶ = 185035379 is a prime.

It is a super-3 number, since 3×252144243³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (252144247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1077423 + ... + 1077656.

It is an arithmetic number, because the mean of its divisors is an integer number (32685380).

Almost surely, 2^252144243 is an apocalyptic number.

252144243 is a deficient number, since it is larger than the sum of its proper divisors (140080317).

252144243 is a wasteful number, since it uses less digits than its factorization.

252144243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155098 (or 2155095 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 252144243 is about 15879.0504439025. The cubic root of 252144243 is about 631.7564514163.

Adding to 252144243 its reverse (342441252), we get a palindrome (594585495).

It can be divided in two parts, 2521 and 44243, that added together give a palindrome (46764).

The spelling of 252144243 in words is "two hundred fifty-two million, one hundred forty-four thousand, two hundred forty-three".