99045774 has 64 divisors (see below), whose sum is σ = 243233280. Its totient is φ = 29715840.

The previous prime is 99045773. The next prime is 99045811. The reversal of 99045774 is 47754099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99045773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18769 + ... + 23459.

It is an arithmetic number, because the mean of its divisors is an integer number (3800520).

Almost surely, 2^99045774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99045774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121616640).

99045774 is an abundant number, since it is smaller than the sum of its proper divisors (144187506).

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

99045774 is a wasteful number, since it uses less digits than its factorization.

99045774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 4736 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 99045774 is about 9952.1743352898. The cubic root of 99045774 is about 462.6777874073.

It can be divided in two parts, 990 and 45774, that added together give a palindrome (46764).

The spelling of 99045774 in words is "ninety-nine million, forty-five thousand, seven hundred seventy-four".