254042159 has 4 divisors (see below), whose sum is σ = 290333904. Its totient is φ = 217750416.

The previous prime is 254042149. The next prime is 254042161. The reversal of 254042159 is 951240452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254042159 - 2²⁴ = 237264943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254042119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18145862 + ... + 18145875.

It is an arithmetic number, because the mean of its divisors is an integer number (72583476).

Almost surely, 2^254042159 is an apocalyptic number.

254042159 is a deficient number, since it is larger than the sum of its proper divisors (36291745).

254042159 is an equidigital number, since it uses as much as digits as its factorization.

254042159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36291744.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 254042159 is about 15938.7000410949. The cubic root of 254042159 is about 633.3375897836.

The spelling of 254042159 in words is "two hundred fifty-four million, forty-two thousand, one hundred fifty-nine".