144416668 has 24 divisors (see below), whose sum is σ = 278442864. Its totient is φ = 64992000.

The previous prime is 144416633. The next prime is 144416669. The reversal of 144416668 is 866614441.

It is a self number, because there is not a number n which added to its sum of digits gives 144416668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144416669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11805 + ... + 20692.

It is an arithmetic number, because the mean of its divisors is an integer number (11601786).

Almost surely, 2^144416668 is an apocalyptic number.

It is an amenable number.

144416668 is a deficient number, since it is larger than the sum of its proper divisors (134026196).

144416668 is a wasteful number, since it uses less digits than its factorization.

144416668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32613 (or 32611 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 144416668 is about 12017.3486260489. The cubic root of 144416668 is about 524.6533378886.

The spelling of 144416668 in words is "one hundred forty-four million, four hundred sixteen thousand, six hundred sixty-eight".