99989045 has 8 divisors (see below), whose sum is σ = 129216696. Its totient is φ = 73838016.

The previous prime is 99989041. The next prime is 99989047. The reversal of 99989045 is 54098999.

It can be written as a sum of positive squares in 4 ways, for example, as 508369 + 99480676 = 713^2 + 9974^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99989045 - 2² = 99989041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99989041) 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 7 ways as a sum of consecutive naturals, for example, 769082 + ... + 769211.

It is an arithmetic number, because the mean of its divisors is an integer number (16152087).

Almost surely, 2^99989045 is an apocalyptic number.

It is an amenable number.

99989045 is a deficient number, since it is larger than the sum of its proper divisors (29227651).

99989045 is a wasteful number, since it uses less digits than its factorization.

99989045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538311.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The square root of 99989045 is about 9999.4522349977. The cubic root of 99989045 is about 464.1419332071.

The spelling of 99989045 in words is "ninety-nine million, nine hundred eighty-nine thousand, forty-five".