144253307 has 16 divisors (see below), whose sum is σ = 159494400. Its totient is φ = 129381600.

The previous prime is 144253297. The next prime is 144253321. The reversal of 144253307 is 703352441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144253307 - 2¹² = 144249211 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 144253307.

It is not an unprimeable number, because it can be changed into a prime (144253357) 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 15 ways as a sum of consecutive naturals, for example, 463682 + ... + 463992.

It is an arithmetic number, because the mean of its divisors is an integer number (9968400).

Almost surely, 2^144253307 is an apocalyptic number.

144253307 is a deficient number, since it is larger than the sum of its proper divisors (15241093).

144253307 is a wasteful number, since it uses less digits than its factorization.

144253307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 144253307 is about 12010.5498208866. The cubic root of 144253307 is about 524.4554377607.

The spelling of 144253307 in words is "one hundred forty-four million, two hundred fifty-three thousand, three hundred seven".