8499145 has 4 divisors (see below), whose sum is σ = 10198980. Its totient is φ = 6799312.

The previous prime is 8499143. The next prime is 8499193. The reversal of 8499145 is 5419948.

8499145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3606201 + 4892944 = 1899^2 + 2212^2 .

It is a cyclic number.

It is not a de Polignac number, because 8499145 - 2¹ = 8499143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8499098 and 8499107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8499143) 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, 849910 + ... + 849919.

It is an arithmetic number, because the mean of its divisors is an integer number (2549745).

Almost surely, 2^8499145 is an apocalyptic number.

It is an amenable number.

8499145 is a deficient number, since it is larger than the sum of its proper divisors (1699835).

8499145 is a wasteful number, since it uses less digits than its factorization.

8499145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699834.

The product of its digits is 51840, while the sum is 40.

The square root of 8499145 is about 2915.3293124448. The cubic root of 8499145 is about 204.0759120917.

The spelling of 8499145 in words is "eight million, four hundred ninety-nine thousand, one hundred forty-five".