144744268 has 12 divisors (see below), whose sum is σ = 259480872. Its totient is φ = 70606880.

The previous prime is 144744251. The next prime is 144744289. The reversal of 144744268 is 862447441.

It is a self number, because there is not a number n which added to its sum of digits gives 144744268.

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, 441130 + ... + 441457.

It is an arithmetic number, because the mean of its divisors is an integer number (21623406).

Almost surely, 2^144744268 is an apocalyptic number.

It is an amenable number.

144744268 is a deficient number, since it is larger than the sum of its proper divisors (114736604).

144744268 is a wasteful number, since it uses less digits than its factorization.

144744268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882632 (or 882630 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 144744268 is about 12030.9711993671. The cubic root of 144744268 is about 525.0497525034.

The spelling of 144744268 in words is "one hundred forty-four million, seven hundred forty-four thousand, two hundred sixty-eight".