144253222 has 8 divisors (see below), whose sum is σ = 216741672. Its totient is φ = 72006000.

The previous prime is 144253189. The next prime is 144253223. The reversal of 144253222 is 222352441.

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 (144253223) 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, 58804 + ... + 61207.

It is an arithmetic number, because the mean of its divisors is an integer number (27092709).

Almost surely, 2^144253222 is an apocalyptic number.

144253222 is a deficient number, since it is larger than the sum of its proper divisors (72488450).

144253222 is a wasteful number, since it uses less digits than its factorization.

144253222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120614.

The product of its digits is 3840, while the sum is 25.

The square root of 144253222 is about 12010.5462823304. The cubic root of 144253222 is about 524.4553347504.

The spelling of 144253222 in words is "one hundred forty-four million, two hundred fifty-three thousand, two hundred twenty-two".