254142647 has 8 divisors (see below), whose sum is σ = 277963920. Its totient is φ = 230440960.

The previous prime is 254142611. The next prime is 254142659. The reversal of 254142647 is 746241452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254142647 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 (254142697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25418 + ... + 33975.

It is an arithmetic number, because the mean of its divisors is an integer number (34745490).

Almost surely, 2^254142647 is an apocalyptic number.

254142647 is a deficient number, since it is larger than the sum of its proper divisors (23821273).

254142647 is a wasteful number, since it uses less digits than its factorization.

254142647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59793.

The product of its digits is 53760, while the sum is 35.

The square root of 254142647 is about 15941.8520567718. The cubic root of 254142647 is about 633.4210856863.

The spelling of 254142647 in words is "two hundred fifty-four million, one hundred forty-two thousand, six hundred forty-seven".