99144318 has 96 divisors (see below), whose sum is σ = 258080256. Its totient is φ = 24722496.

The previous prime is 99144317. The next prime is 99144319. The reversal of 99144318 is 81344199.

It is an interprime number because it is at equal distance from previous prime (99144317) and next prime (99144319).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99144317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196855 + ... + 197357.

It is an arithmetic number, because the mean of its divisors is an integer number (2688336).

Almost surely, 2^99144318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99144318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129040128).

99144318 is an abundant number, since it is smaller than the sum of its proper divisors (158935938).

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

99144318 is a wasteful number, since it uses less digits than its factorization.

99144318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 547 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 99144318 is about 9957.1239823555. The cubic root of 99144318 is about 462.8311811543.

The spelling of 99144318 in words is "ninety-nine million, one hundred forty-four thousand, three hundred eighteen".