144419897655289 has 9 divisors (see below), whose sum is σ = 144534334569807. Its totient is φ = 144305551304544.

The previous prime is 144419897655277. The next prime is 144419897655311. The reversal of 144419897655289 is 982556798914441.

The square root of 144419897655289 is 12017483.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 83473896324025 + 60946001331264 = 9136405^2 + 7806792^2 .

It is not a de Polignac number, because 144419897655289 - 2³⁷ = 144282458701817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144419897655269) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18014203009 + ... + 18014211025.

Almost surely, 2^{144419897655289} is an apocalyptic number.

144419897655289 is the 12017483-rd square number.

144419897655289 is the 6008742-nd centered octagonal number.

It is an amenable number.

144419897655289 is a deficient number, since it is larger than the sum of its proper divisors (114436914518).

144419897655289 is an frugal number, since it uses more digits than its factorization.

144419897655289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19032 (or 9516 counting only the distinct ones).

The product of its digits is 6270566400, while the sum is 82.

The spelling of 144419897655289 in words is "one hundred forty-four trillion, four hundred nineteen billion, eight hundred ninety-seven million, six hundred fifty-five thousand, two hundred eighty-nine".