254245234243 has 48 divisors (see below), whose sum is σ = 351269130240. Its totient is φ = 178982400960.

The previous prime is 254245234207. The next prime is 254245234307. The reversal of 254245234243 is 342432542452.

It is not a de Polignac number, because 254245234243 - 2²⁵ = 254211679811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254245234196 and 254245234205.

It is not an unprimeable number, because it can be changed into a prime (254245234543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271878 + ... + 763156.

It is an arithmetic number, because the mean of its divisors is an integer number (7318106880).

Almost surely, 2^254245234243 is an apocalyptic number.

254245234243 is a deficient number, since it is larger than the sum of its proper divisors (97023895997).

254245234243 is a wasteful number, since it uses less digits than its factorization.

254245234243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491368 (or 491357 counting only the distinct ones).

The product of its digits is 921600, while the sum is 40.

Adding to 254245234243 its reverse (342432542452), we get a palindrome (596677776695).

The spelling of 254245234243 in words is "two hundred fifty-four billion, two hundred forty-five million, two hundred thirty-four thousand, two hundred forty-three".