99185245 has 4 divisors (see below), whose sum is σ = 119022300. Its totient is φ = 79348192.

The previous prime is 99185243. The next prime is 99185287. The reversal of 99185245 is 54258199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54258199 = 73 ⋅743263.

It can be written as a sum of positive squares in 2 ways, for example, as 48191364 + 50993881 = 6942^2 + 7141^2 .

It is a cyclic number.

It is not a de Polignac number, because 99185245 - 2¹ = 99185243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99185243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9918520 + ... + 9918529.

It is an arithmetic number, because the mean of its divisors is an integer number (29755575).

Almost surely, 2^99185245 is an apocalyptic number.

It is an amenable number.

99185245 is a deficient number, since it is larger than the sum of its proper divisors (19837055).

99185245 is a wasteful number, since it uses less digits than its factorization.

99185245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19837054.

The product of its digits is 129600, while the sum is 43.

The square root of 99185245 is about 9959.1789320205. The cubic root of 99185245 is about 462.8948583145.

The spelling of 99185245 in words is "ninety-nine million, one hundred eighty-five thousand, two hundred forty-five".