144145222 has 8 divisors (see below), whose sum is σ = 232850016. Its totient is φ = 66528552.

The previous prime is 144145219. The next prime is 144145223. The reversal of 144145222 is 222541441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144145223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2771998 + ... + 2772049.

It is an arithmetic number, because the mean of its divisors is an integer number (29106252).

Almost surely, 2^144145222 is an apocalyptic number.

144145222 is a deficient number, since it is larger than the sum of its proper divisors (88704794).

144145222 is a wasteful number, since it uses less digits than its factorization.

144145222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544062.

The product of its digits is 2560, while the sum is 25.

The square root of 144145222 is about 12006.0493918691. The cubic root of 144145222 is about 524.3244183967.

Adding to 144145222 its reverse (222541441), we get a palindrome (366686663).

The spelling of 144145222 in words is "one hundred forty-four million, one hundred forty-five thousand, two hundred twenty-two".