254256155 has 8 divisors (see below), whose sum is σ = 305202912. Its totient is φ = 203341248.

The previous prime is 254256143. The next prime is 254256161. The reversal of 254256155 is 551652452.

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

It is a cyclic number.

It is not a de Polignac number, because 254256155 - 2⁴ = 254256139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16367 + ... + 27863.

It is an arithmetic number, because the mean of its divisors is an integer number (38150364).

Almost surely, 2^254256155 is an apocalyptic number.

254256155 is a deficient number, since it is larger than the sum of its proper divisors (50946757).

254256155 is a wasteful number, since it uses less digits than its factorization.

254256155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15925.

The product of its digits is 60000, while the sum is 35.

The square root of 254256155 is about 15945.4117224987. The cubic root of 254256155 is about 633.5153734942.

The spelling of 254256155 in words is "two hundred fifty-four million, two hundred fifty-six thousand, one hundred fifty-five".