144446315053225 has 12 divisors (see below), whose sum is σ = 179113580177356. Its totient is φ = 115556955583680.

The previous prime is 144446315053217. The next prime is 144446315053231. The reversal of 144446315053225 is 522350513644441.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 72789768382864 + 71656546670361 = 8531692^2 + 8465019^2 .

It is not a de Polignac number, because 144446315053225 - 2³ = 144446315053217 is a prime.

It is a super-3 number, since 3×144446315053225³ (a number of 43 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 54152959 + ... + 56757691.

Almost surely, 2^{144446315053225} is an apocalyptic number.

It is an amenable number.

144446315053225 is a deficient number, since it is larger than the sum of its proper divisors (34667265124131).

144446315053225 is a wasteful number, since it uses less digits than its factorization.

144446315053225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822956 (or 4822951 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

Adding to 144446315053225 its reverse (522350513644441), we get a palindrome (666796828697666).

The spelling of 144446315053225 in words is "one hundred forty-four trillion, four hundred forty-six billion, three hundred fifteen million, fifty-three thousand, two hundred twenty-five".