144521336 has 32 divisors (see below), whose sum is σ = 275616000. Its totient is φ = 71032416.

The previous prime is 144521327. The next prime is 144521339. The reversal of 144521336 is 633125441.

It is a junction number, because it is equal to n+sod(n) for n = 144521299 and 144521308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144521339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218975 + ... + 219633.

It is an arithmetic number, because the mean of its divisors is an integer number (8613000).

Almost surely, 2^144521336 is an apocalyptic number.

It is an amenable number.

144521336 is a deficient number, since it is larger than the sum of its proper divisors (131094664).

144521336 is a wasteful number, since it uses less digits than its factorization.

144521336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1087 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 144521336 is about 12021.7027080194. The cubic root of 144521336 is about 524.7800572279.

Adding to 144521336 its reverse (633125441), we get a palindrome (777646777).

The spelling of 144521336 in words is "one hundred forty-four million, five hundred twenty-one thousand, three hundred thirty-six".