144429651 has 18 divisors (see below), whose sum is σ = 215580300. Its totient is φ = 93174840.

The previous prime is 144429643. The next prime is 144429679. The reversal of 144429651 is 156924441.

144429651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144429651 - 2³ = 144429643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144429641) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 300 + ... + 16998.

Almost surely, 2^144429651 is an apocalyptic number.

144429651 is a deficient number, since it is larger than the sum of its proper divisors (71150649).

144429651 is a wasteful number, since it uses less digits than its factorization.

144429651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16767 (or 16733 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 144429651 is about 12017.8887912977. Note that the first 3 decimals coincide. The cubic root of 144429651 is about 524.6690594584.

The spelling of 144429651 in words is "one hundred forty-four million, four hundred twenty-nine thousand, six hundred fifty-one".