99445653 has 12 divisors (see below), whose sum is σ = 145667808. Its totient is φ = 65362920.

The previous prime is 99445579. The next prime is 99445657. The reversal of 99445653 is 35654499.

It is not a de Polignac number, because 99445653 - 2⁸ = 99445397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99445599 and 99445608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99445657) 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 11 ways as a sum of consecutive naturals, for example, 77175 + ... + 78452.

It is an arithmetic number, because the mean of its divisors is an integer number (12138984).

Almost surely, 2^99445653 is an apocalyptic number.

It is an amenable number.

99445653 is a deficient number, since it is larger than the sum of its proper divisors (46222155).

99445653 is a wasteful number, since it uses less digits than its factorization.

99445653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155704 (or 155701 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 99445653 is about 9972.2441305857. The cubic root of 99445653 is about 463.2996099995.

The spelling of 99445653 in words is "ninety-nine million, four hundred forty-five thousand, six hundred fifty-three".