99645150 has 96 divisors (see below), whose sum is σ = 272232576. Its totient is φ = 23920000.

The previous prime is 99645121. The next prime is 99645151. The reversal of 99645150 is 5154699.

It is a junction number, because it is equal to n+sod(n) for n = 99645099 and 99645108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99645151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215920 + ... + 216380.

It is an arithmetic number, because the mean of its divisors is an integer number (2835756).

Almost surely, 2^99645150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99645150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136116288).

99645150 is an abundant number, since it is smaller than the sum of its proper divisors (172587426).

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

99645150 is a wasteful number, since it uses less digits than its factorization.

99645150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 99645150 is about 9982.2417321962. The cubic root of 99645150 is about 463.6092100766.

The spelling of 99645150 in words is "ninety-nine million, six hundred forty-five thousand, one hundred fifty".