144705673494145 has 8 divisors (see below), whose sum is σ = 173647618370856. Its totient is φ = 115763998676736.

The previous prime is 144705673494131. The next prime is 144705673494169. The reversal of 144705673494145 is 541494376507441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 323532302401 + 144382141191744 = 568799^2 + 12015912^2 .

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 144705673494145 - 2¹⁹ = 144705672969857 is a prime.

It is a Duffinian number.

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, 66334122 + ... + 68480851.

It is an arithmetic number, because the mean of its divisors is an integer number (21705952296357).

Almost surely, 2^{144705673494145} is an apocalyptic number.

It is an amenable number.

144705673494145 is a deficient number, since it is larger than the sum of its proper divisors (28941944876711).

144705673494145 is a wasteful number, since it uses less digits than its factorization.

144705673494145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135029651.

The product of its (nonzero) digits is 203212800, while the sum is 64.

The spelling of 144705673494145 in words is "one hundred forty-four trillion, seven hundred five billion, six hundred seventy-three million, four hundred ninety-four thousand, one hundred forty-five".