254155142 has 8 divisors (see below), whose sum is σ = 383572056. Its totient is φ = 126297792.

The previous prime is 254155141. The next prime is 254155147. The reversal of 254155142 is 241551452.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254155141) 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, 389483 + ... + 390134.

It is an arithmetic number, because the mean of its divisors is an integer number (47946507).

Almost surely, 2^254155142 is an apocalyptic number.

254155142 is a deficient number, since it is larger than the sum of its proper divisors (129416914).

254155142 is a wasteful number, since it uses less digits than its factorization.

254155142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779782.

The product of its digits is 8000, while the sum is 29.

The square root of 254155142 is about 15942.2439449407. The cubic root of 254155142 is about 633.4314662958.

The spelling of 254155142 in words is "two hundred fifty-four million, one hundred fifty-five thousand, one hundred forty-two".