144408016 has 20 divisors (see below), whose sum is σ = 283625572. Its totient is φ = 71214336.

The previous prime is 144407947. The next prime is 144408029. The reversal of 144408016 is 610804441.

It can be written as a sum of positive squares in 2 ways, for example, as 40449600 + 103958416 = 6360^2 + 10196^2 .

It is a congruent number.

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, 60651 + ... + 62986.

Almost surely, 2^144408016 is an apocalyptic number.

144408016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144408016 is a deficient number, since it is larger than the sum of its proper divisors (139217556).

144408016 is a wasteful number, since it uses less digits than its factorization.

144408016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123718 (or 123712 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 144408016 is about 12016.9886410864. The cubic root of 144408016 is about 524.6428603553.

The spelling of 144408016 in words is "one hundred forty-four million, four hundred eight thousand, sixteen".