144311544169 has 8 divisors (see below), whose sum is σ = 156271066952. Its totient is φ = 132474683520.

The previous prime is 144311544121. The next prime is 144311544173. The reversal of 144311544169 is 961445113441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13981880025 + 130329664144 = 118245^2 + 361012^2 .

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 144311544169 - 2³³ = 135721609577 is a prime.

It is a super-2 number, since 2×144311544169² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144311542169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30663084 + ... + 30667789.

It is an arithmetic number, because the mean of its divisors is an integer number (19533883369).

Almost surely, 2^144311544169 is an apocalyptic number.

It is an amenable number.

144311544169 is a deficient number, since it is larger than the sum of its proper divisors (11959522783).

144311544169 is a wasteful number, since it uses less digits than its factorization.

144311544169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61331067.

The product of its digits is 207360, while the sum is 43.

The spelling of 144311544169 in words is "one hundred forty-four billion, three hundred eleven million, five hundred forty-four thousand, one hundred sixty-nine".