254044225145 has 4 divisors (see below), whose sum is σ = 304853070180. Its totient is φ = 203235380112.

The previous prime is 254044225103. The next prime is 254044225189. The reversal of 254044225145 is 541522440452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 91465114624 + 162579110521 = 302432^2 + 403211^2 .

It is a cyclic number.

It is not a de Polignac number, because 254044225145 - 2¹⁰ = 254044224121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254044225099 and 254044225108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25404422510 + ... + 25404422519.

It is an arithmetic number, because the mean of its divisors is an integer number (76213267545).

Almost surely, 2^254044225145 is an apocalyptic number.

It is an amenable number.

254044225145 is a deficient number, since it is larger than the sum of its proper divisors (50808845035).

254044225145 is an equidigital number, since it uses as much as digits as its factorization.

254044225145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50808845034.

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 254044225145 its reverse (541522440452), we get a palindrome (795566665597).

The spelling of 254044225145 in words is "two hundred fifty-four billion, forty-four million, two hundred twenty-five thousand, one hundred forty-five".