254540312143 has 16 divisors (see below), whose sum is σ = 279427972320. Its totient is φ = 230446854144.

The previous prime is 254540312137. The next prime is 254540312209. The reversal of 254540312143 is 341213045452.

It is not a de Polignac number, because 254540312143 - 2⁵ = 254540312111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254540312099 and 254540312108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254540322143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579346 + ... + 919087.

It is an arithmetic number, because the mean of its divisors is an integer number (17464248270).

Almost surely, 2^254540312143 is an apocalyptic number.

254540312143 is a deficient number, since it is larger than the sum of its proper divisors (24887660177).

254540312143 is a wasteful number, since it uses less digits than its factorization.

254540312143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498698.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 254540312143 its reverse (341213045452), we get a palindrome (595753357595).

The spelling of 254540312143 in words is "two hundred fifty-four billion, five hundred forty million, three hundred twelve thousand, one hundred forty-three".