254000142543 has 64 divisors (see below), whose sum is σ = 397256859648. Its totient is φ = 141366712320.

The previous prime is 254000142541. The next prime is 254000142553. The reversal of 254000142543 is 345241000452.

It is not a de Polignac number, because 254000142543 - 2¹ = 254000142541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254000142543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254000142541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80200546 + ... + 80203712.

It is an arithmetic number, because the mean of its divisors is an integer number (6207138432).

Almost surely, 2^254000142543 is an apocalyptic number.

254000142543 is a deficient number, since it is larger than the sum of its proper divisors (143256717105).

254000142543 is a wasteful number, since it uses less digits than its factorization.

254000142543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 254000142543 its reverse (345241000452), we get a palindrome (599241142995).

The spelling of 254000142543 in words is "two hundred fifty-four billion, one hundred forty-two thousand, five hundred forty-three".