144441468 has 30 divisors (see below), whose sum is σ = 377599376. Its totient is φ = 48147048.

The previous prime is 144441463. The next prime is 144441491. The reversal of 144441468 is 864144441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144441463) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 222580 + ... + 223227.

Almost surely, 2^144441468 is an apocalyptic number.

144441468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

144441468 is an abundant number, since it is smaller than the sum of its proper divisors (233157908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144441468 is a wasteful number, since it uses less digits than its factorization.

144441468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445823 (or 445812 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 144441468 is about 12018.3804233349. The cubic root of 144441468 is about 524.6833682589.

The spelling of 144441468 in words is "one hundred forty-four million, four hundred forty-one thousand, four hundred sixty-eight".