144216764 has 12 divisors (see below), whose sum is σ = 265662600. Its totient is φ = 68313168.

The previous prime is 144216731. The next prime is 144216767. The reversal of 144216764 is 467612441.

144216764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144216767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948719 + ... + 948870.

It is an arithmetic number, because the mean of its divisors is an integer number (22138550).

Almost surely, 2^144216764 is an apocalyptic number.

It is an amenable number.

144216764 is a deficient number, since it is larger than the sum of its proper divisors (121445836).

144216764 is a wasteful number, since it uses less digits than its factorization.

144216764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897612 (or 1897610 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 144216764 is about 12009.0284369719. The cubic root of 144216764 is about 524.4111480917.

The spelling of 144216764 in words is "one hundred forty-four million, two hundred sixteen thousand, seven hundred sixty-four".