144805665346 has 8 divisors (see below), whose sum is σ = 217222564284. Its totient is φ = 72398143920.

The previous prime is 144805665343. The next prime is 144805665391. The reversal of 144805665346 is 643566508441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 133089984225 + 11715681121 = 364815^2 + 108239^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 144805665293 and 144805665302.

It is not an unprimeable number, because it can be changed into a prime (144805665343) by changing a digit.

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, 2305645 + ... + 2367616.

Almost surely, 2^144805665346 is an apocalyptic number.

144805665346 is a deficient number, since it is larger than the sum of its proper divisors (72416898938).

144805665346 is a wasteful number, since it uses less digits than its factorization.

144805665346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688756.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 144805665346 in words is "one hundred forty-four billion, eight hundred five million, six hundred sixty-five thousand, three hundred forty-six".