144444012 has 24 divisors (see below), whose sum is σ = 348658800. Its totient is φ = 46487616.

The previous prime is 144444011. The next prime is 144444017. The reversal of 144444012 is 210444441.

It is a happy number.

It is a super-2 number, since 2×144444012² = 41728145205312288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144444011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207187 + ... + 207882.

It is an arithmetic number, because the mean of its divisors is an integer number (14527450).

Almost surely, 2^144444012 is an apocalyptic number.

144444012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144444012 is an abundant number, since it is smaller than the sum of its proper divisors (204214788).

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

144444012 is a wasteful number, since it uses less digits than its factorization.

144444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415105 (or 415103 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 144444012 is about 12018.4862607568. The cubic root of 144444012 is about 524.6864485993.

Adding to 144444012 its reverse (210444441), we get a palindrome (354888453).

The spelling of 144444012 in words is "one hundred forty-four million, four hundred forty-four thousand, twelve".