144005604605665 has 8 divisors (see below), whose sum is σ = 188516427847488. Its totient is φ = 104731348804080.

The previous prime is 144005604605657. The next prime is 144005604605689. The reversal of 144005604605665 is 566506406500441.

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

It is not a de Polignac number, because 144005604605665 - 2³ = 144005604605657 is a prime.

It is a super-2 number, since 2×144005604605665² (a number of 29 digits) contains 22 as substring.

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, 1309141859997 + ... + 1309141860106.

It is an arithmetic number, because the mean of its divisors is an integer number (23564553480936).

Almost surely, 2^{144005604605665} is an apocalyptic number.

It is an amenable number.

144005604605665 is a deficient number, since it is larger than the sum of its proper divisors (44510823241823).

144005604605665 is a wasteful number, since it uses less digits than its factorization.

144005604605665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618283720119.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 144005604605665 in words is "one hundred forty-four trillion, five billion, six hundred four million, six hundred five thousand, six hundred sixty-five".