144564422 has 8 divisors (see below), whose sum is σ = 217072872. Its totient is φ = 72206800.

The previous prime is 144564421. The next prime is 144564437. The reversal of 144564422 is 224465441.

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 (144564421) 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 3 ways as a sum of consecutive naturals, for example, 35279 + ... + 39162.

It is an arithmetic number, because the mean of its divisors is an integer number (27134109).

Almost surely, 2^144564422 is an apocalyptic number.

144564422 is a deficient number, since it is larger than the sum of its proper divisors (72508450).

144564422 is an equidigital number, since it uses as much as digits as its factorization.

144564422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75414.

The product of its digits is 30720, while the sum is 32.

The square root of 144564422 is about 12023.4945835227. The cubic root of 144564422 is about 524.8322027624.

The spelling of 144564422 in words is "one hundred forty-four million, five hundred sixty-four thousand, four hundred twenty-two".