254042415143 has 16 divisors (see below), whose sum is σ = 299682768384. Its totient is φ = 212737752960.

The previous prime is 254042415119. The next prime is 254042415161. The reversal of 254042415143 is 341514240452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 254042415143 - 2¹⁶ = 254042349607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254042411143) 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, 14443505 + ... + 14461082.

It is an arithmetic number, because the mean of its divisors is an integer number (18730173024).

Almost surely, 2^254042415143 is an apocalyptic number.

254042415143 is a deficient number, since it is larger than the sum of its proper divisors (45640353241).

254042415143 is a wasteful number, since it uses less digits than its factorization.

254042415143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28904662.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 254042415143 its reverse (341514240452), we get a palindrome (595556655595).

The spelling of 254042415143 in words is "two hundred fifty-four billion, forty-two million, four hundred fifteen thousand, one hundred forty-three".