144422012 has 18 divisors (see below), whose sum is σ = 294002352. Its totient is φ = 61895064.

The previous prime is 144422009. The next prime is 144422017. The reversal of 144422012 is 210224441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144422017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368228 + ... + 368619.

It is an arithmetic number, because the mean of its divisors is an integer number (16333464).

Almost surely, 2^144422012 is an apocalyptic number.

It is an amenable number.

144422012 is an abundant number, since it is smaller than the sum of its proper divisors (149580340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144422012 is a wasteful number, since it uses less digits than its factorization.

144422012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736865 (or 736856 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144422012 is about 12017.5709692100. The cubic root of 144422012 is about 524.6598092396.

Adding to 144422012 its reverse (210224441), we get a palindrome (354646453).

The spelling of 144422012 in words is "one hundred forty-four million, four hundred twenty-two thousand, twelve".