144225273 has 8 divisors (see below), whose sum is σ = 194204736. Its totient is φ = 95198000.

The previous prime is 144225271. The next prime is 144225287. The reversal of 144225273 is 372522441.

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 144225273 - 2¹ = 144225271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144225273.

It is not an unprimeable number, because it can be changed into a prime (144225271) 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, 237693 + ... + 238298.

It is an arithmetic number, because the mean of its divisors is an integer number (24275592).

Almost surely, 2^144225273 is an apocalyptic number.

It is an amenable number.

144225273 is a deficient number, since it is larger than the sum of its proper divisors (49979463).

144225273 is a wasteful number, since it uses less digits than its factorization.

144225273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476095.

The product of its digits is 13440, while the sum is 30.

The square root of 144225273 is about 12009.3827068672. The cubic root of 144225273 is about 524.4214615638.

The spelling of 144225273 in words is "one hundred forty-four million, two hundred twenty-five thousand, two hundred seventy-three".