99144448 has 72 divisors (see below), whose sum is σ = 220228736. Its totient is φ = 44282880.

The previous prime is 99144431. The next prime is 99144449. The reversal of 99144448 is 84444199.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99144449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198193 + ... + 3198223.

Almost surely, 2^99144448 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 99144448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110114368).

99144448 is an abundant number, since it is smaller than the sum of its proper divisors (121084288).

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

99144448 is an frugal number, since it uses more digits than its factorization.

99144448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 46 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 99144448 is about 9957.1305103428. The cubic root of 99144448 is about 462.8313834453.

The spelling of 99144448 in words is "ninety-nine million, one hundred forty-four thousand, four hundred forty-eight".