144153321 has 16 divisors (see below), whose sum is σ = 209487936. Its totient is φ = 87638976.

The previous prime is 144153313. The next prime is 144153391. The reversal of 144153321 is 123351441.

It is a happy number.

It is not a de Polignac number, because 144153321 - 2³ = 144153313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144153291 and 144153300.

It is not an unprimeable number, because it can be changed into a prime (144153311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19030 + ... + 25503.

It is an arithmetic number, because the mean of its divisors is an integer number (13092996).

Almost surely, 2^144153321 is an apocalyptic number.

It is an amenable number.

144153321 is a deficient number, since it is larger than the sum of its proper divisors (65334615).

144153321 is a wasteful number, since it uses less digits than its factorization.

144153321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44632.

The product of its digits is 1440, while the sum is 24.

The square root of 144153321 is about 12006.3866754324. The cubic root of 144153321 is about 524.3342381787.

The spelling of 144153321 in words is "one hundred forty-four million, one hundred fifty-three thousand, three hundred twenty-one".