144404012 has 12 divisors (see below), whose sum is σ = 257475456. Its totient is φ = 70839600.

The previous prime is 144404003. The next prime is 144404023. The reversal of 144404012 is 210404441.

It is a happy number.

144404012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144404012² = 41705037363392288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340364 + ... + 340787.

It is an arithmetic number, because the mean of its divisors is an integer number (21456288).

Almost surely, 2^144404012 is an apocalyptic number.

It is an amenable number.

144404012 is a deficient number, since it is larger than the sum of its proper divisors (113071444).

144404012 is a wasteful number, since it uses less digits than its factorization.

144404012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681208 (or 681206 counting only the distinct ones).

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

The square root of 144404012 is about 12016.8220424537. The cubic root of 144404012 is about 524.6380113876.

Adding to 144404012 its reverse (210404441), we get a palindrome (354808453).

The spelling of 144404012 in words is "one hundred forty-four million, four hundred four thousand, twelve".