144648629 has 8 divisors (see below), whose sum is σ = 147778488. Its totient is φ = 141543360.

The previous prime is 144648619. The next prime is 144648643. The reversal of 144648629 is 926846441.

It can be written as a sum of positive squares in 4 ways, for example, as 600625 + 144048004 = 775^2 + 12002^2 .

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 144648629 - 2²⁰ = 143600053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144648629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144648619) 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, 5999 + ... + 18035.

It is an arithmetic number, because the mean of its divisors is an integer number (18472311).

Almost surely, 2^144648629 is an apocalyptic number.

It is an amenable number.

144648629 is a deficient number, since it is larger than the sum of its proper divisors (3129859).

144648629 is a wasteful number, since it uses less digits than its factorization.

144648629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12295.

The product of its digits is 331776, while the sum is 44.

The square root of 144648629 is about 12026.9958426866. The cubic root of 144648629 is about 524.9340857535.

The spelling of 144648629 in words is "one hundred forty-four million, six hundred forty-eight thousand, six hundred twenty-nine".