144630017 has 12 divisors (see below), whose sum is σ = 168441156. Its totient is φ = 123822720.

The previous prime is 144630011. The next prime is 144630037. The reversal of 144630017 is 710036441.

It can be written as a sum of positive squares in 2 ways, for example, as 84474481 + 60155536 = 9191^2 + 7756^2 .

It is not a de Polignac number, because 144630017 - 2²⁰ = 143581441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144630011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71573 + ... + 73565.

It is an arithmetic number, because the mean of its divisors is an integer number (14036763).

Almost surely, 2^144630017 is an apocalyptic number.

It is an amenable number.

144630017 is a deficient number, since it is larger than the sum of its proper divisors (23811139).

144630017 is a wasteful number, since it uses less digits than its factorization.

144630017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488 (or 3481 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 144630017 is about 12026.2220584854. Note that the first 3 decimals coincide. The cubic root of 144630017 is about 524.9115702911.

Adding to 144630017 its reverse (710036441), we get a palindrome (854666458).

The spelling of 144630017 in words is "one hundred forty-four million, six hundred thirty thousand, seventeen".