99545645 has 8 divisors (see below), whose sum is σ = 122233056. Its totient is φ = 77784336.

The previous prime is 99545627. The next prime is 99545687. The reversal of 99545645 is 54654599.

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 99545645 - 2¹² = 99541549 is a prime.

It is a super-3 number, since 3×99545645³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99545645.

It is a congruent number.

It is an unprimeable number.

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, 231287 + ... + 231716.

It is an arithmetic number, because the mean of its divisors is an integer number (15279132).

Almost surely, 2^99545645 is an apocalyptic number.

It is an amenable number.

99545645 is a deficient number, since it is larger than the sum of its proper divisors (22687411).

99545645 is a wasteful number, since it uses less digits than its factorization.

99545645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463051.

The product of its digits is 972000, while the sum is 47.

The square root of 99545645 is about 9977.2563864020. The cubic root of 99545645 is about 463.4548396314.

The spelling of 99545645 in words is "ninety-nine million, five hundred forty-five thousand, six hundred forty-five".