254142243 has 6 divisors (see below), whose sum is σ = 367094364. Its totient is φ = 169428156.

The previous prime is 254142223. The next prime is 254142257. The reversal of 254142243 is 342241452.

254142243 is a `hidden beast` number, since 2 + 5 + 414 + 2 + 243 = 666.

It is not a de Polignac number, because 254142243 - 2¹⁰ = 254141219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254142223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14119005 + ... + 14119022.

It is an arithmetic number, because the mean of its divisors is an integer number (61182394).

Almost surely, 2^254142243 is an apocalyptic number.

254142243 is a deficient number, since it is larger than the sum of its proper divisors (112952121).

254142243 is a wasteful number, since it uses less digits than its factorization.

254142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28238033 (or 28238030 counting only the distinct ones).

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

The square root of 254142243 is about 15941.8393857171. The cubic root of 254142243 is about 633.4207500451.

Adding to 254142243 its reverse (342241452), we get a palindrome (596383695).

The spelling of 254142243 in words is "two hundred fifty-four million, one hundred forty-two thousand, two hundred forty-three".