254561625146 has 8 divisors (see below), whose sum is σ = 395009418420. Its totient is φ = 122891819008.

The previous prime is 254561625121. The next prime is 254561625173. The reversal of 254561625146 is 641526165452.

254561625146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 230485447921 + 24076177225 = 480089^2 + 155165^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 254561625146.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2194496711 + ... + 2194496826.

Almost surely, 2^254561625146 is an apocalyptic number.

254561625146 is a deficient number, since it is larger than the sum of its proper divisors (140447793274).

254561625146 is a wasteful number, since it uses less digits than its factorization.

254561625146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388993568.

The product of its digits is 1728000, while the sum is 47.

The spelling of 254561625146 in words is "two hundred fifty-four billion, five hundred sixty-one million, six hundred twenty-five thousand, one hundred forty-six".