144221251025 has 12 divisors (see below), whose sum is σ = 186609758592. Its totient is φ = 110360609040.

The previous prime is 144221251019. The next prime is 144221251039. The reversal of 144221251025 is 520152122441.

It is not a de Polignac number, because 144221251025 - 2²⁶ = 144154142161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125409209 + ... + 125410358.

It is an arithmetic number, because the mean of its divisors is an integer number (15550813216).

Almost surely, 2^144221251025 is an apocalyptic number.

It is an amenable number.

144221251025 is a deficient number, since it is larger than the sum of its proper divisors (42388507567).

144221251025 is a wasteful number, since it uses less digits than its factorization.

144221251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250819600 (or 250819595 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 144221251025 its reverse (520152122441), we get a palindrome (664373373466).

The spelling of 144221251025 in words is "one hundred forty-four billion, two hundred twenty-one million, two hundred fifty-one thousand, twenty-five".