99545 has 8 divisors (see below), whose sum is σ = 122496. Its totient is φ = 77616.

The previous prime is 99529. The next prime is 99551. The reversal of 99545 is 54599.

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 99545 - 2⁴ = 99529 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17 + ... + 446.

It is an arithmetic number, because the mean of its divisors is an integer number (15312).

2⁹⁹⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

99545 is a deficient number, since it is larger than the sum of its proper divisors (22951).

99545 is a wasteful number, since it uses less digits than its factorization.

99545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its digits is 8100, while the sum is 32.

The square root of 99545 is about 315.5075276440. The cubic root of 99545 is about 46.3453838653.

It can be divided in two parts, 9954 and 5, that multiplied together give a triangular number (49770 = T₃₁₅).

The spelling of 99545 in words is "ninety-nine thousand, five hundred forty-five".