144578868 has 48 divisors (see below), whose sum is σ = 387811200. Its totient is φ = 41065344.

The previous prime is 144578849. The next prime is 144578911. The reversal of 144578868 is 868875441.

It is a super-2 number, since 2×144578868² = 41806098144322848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144578868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9558 + ... + 19506.

It is an arithmetic number, because the mean of its divisors is an integer number (8079400).

Almost surely, 2^144578868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144578868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193905600).

144578868 is an abundant number, since it is smaller than the sum of its proper divisors (243232332).

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

144578868 is a wasteful number, since it uses less digits than its factorization.

144578868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136 (or 10134 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 144578868 is about 12024.0953090035. The cubic root of 144578868 is about 524.8496839503.

The spelling of 144578868 in words is "one hundred forty-four million, five hundred seventy-eight thousand, eight hundred sixty-eight".