144434414306465 has 8 divisors (see below), whose sum is σ = 173477583285480. Its totient is φ = 115443340700032.

The previous prime is 144434414306447. The next prime is 144434414306473. The reversal of 144434414306465 is 564603414434441.

It can be written as a sum of positive squares in 4 ways, for example, as 6172844599441 + 138261569707024 = 2484521^2 + 11758468^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 144434414306465 - 2⁶ = 144434414306401 is a prime.

It is a super-2 number, since 2×144434414306465² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13023837044 + ... + 13023848133.

It is an arithmetic number, because the mean of its divisors is an integer number (21684697910685).

Almost surely, 2^{144434414306465} is an apocalyptic number.

It is an amenable number.

144434414306465 is a deficient number, since it is larger than the sum of its proper divisors (29043168979015).

144434414306465 is a wasteful number, since it uses less digits than its factorization.

144434414306465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26047686291.

The product of its (nonzero) digits is 26542080, while the sum is 53.

The spelling of 144434414306465 in words is "one hundred forty-four trillion, four hundred thirty-four billion, four hundred fourteen million, three hundred six thousand, four hundred sixty-five".