99445000 has 40 divisors (see below), whose sum is σ = 233011350. Its totient is φ = 39776000.

The previous prime is 99444991. The next prime is 99445007. The reversal of 99445000 is 54499.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 13734436 + 85710564 = 3706^2 + 9258^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (99445007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4945 + ... + 14944.

Almost surely, 2^99445000 is an apocalyptic number.

It is an amenable number.

99445000 is an abundant number, since it is smaller than the sum of its proper divisors (133566350).

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

99445000 is a wasteful number, since it uses less digits than its factorization.

99445000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19915 (or 19896 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 99445000 is about 9972.2113896568. The cubic root of 99445000 is about 463.2985959270.

Adding to 99445000 its reverse (54499), we get a palindrome (99499499).

The spelling of 99445000 in words is "ninety-nine million, four hundred forty-five thousand".