254243155 has 8 divisors (see below), whose sum is σ = 305289072. Its totient is φ = 203263008.

The previous prime is 254243153. The next prime is 254243233. The reversal of 254243155 is 551342452.

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 254243155 - 2¹ = 254243153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254243153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7492 + ... + 23761.

It is an arithmetic number, because the mean of its divisors is an integer number (38161134).

Almost surely, 2^254243155 is an apocalyptic number.

254243155 is a deficient number, since it is larger than the sum of its proper divisors (51045917).

254243155 is a wasteful number, since it uses less digits than its factorization.

254243155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32885.

The product of its digits is 24000, while the sum is 31.

The square root of 254243155 is about 15945.0040765125. The cubic root of 254243155 is about 633.5045761938.

The spelling of 254243155 in words is "two hundred fifty-four million, two hundred forty-three thousand, one hundred fifty-five".