144899448 has 96 divisors (see below), whose sum is σ = 385817040. Its totient is φ = 45337600.

The previous prime is 144899441. The next prime is 144899459. The reversal of 144899448 is 844998441.

It is a self number, because there is not a number n which added to its sum of digits gives 144899448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144899441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1282240 + ... + 1282352.

Almost surely, 2^144899448 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 144899448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192908520).

144899448 is an abundant number, since it is smaller than the sum of its proper divisors (240917592).

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

144899448 is a wasteful number, since it uses less digits than its factorization.

144899448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 242 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 144899448 is about 12037.4186601613. The cubic root of 144899448 is about 525.2373203702.

The spelling of 144899448 in words is "one hundred forty-four million, eight hundred ninety-nine thousand, four hundred forty-eight".