8253242145 has 32 divisors (see below), whose sum is σ = 15310368000. Its totient is φ = 4210348032.

The previous prime is 8253242069. The next prime is 8253242147. The reversal of 8253242145 is 5412423528.

8253242145 is a `hidden beast` number, since 82 + 532 + 4 + 2 + 1 + 45 = 666.

It is not a de Polignac number, because 8253242145 - 2¹⁰ = 8253241121 is a prime.

It is a super-4 number, since 4×8253242145⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (8253242147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1325920 + ... + 1332129.

It is an arithmetic number, because the mean of its divisors is an integer number (478449000).

Almost surely, 2^8253242145 is an apocalyptic number.

It is an amenable number.

8253242145 is a deficient number, since it is larger than the sum of its proper divisors (7057125855).

8253242145 is a wasteful number, since it uses less digits than its factorization.

8253242145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658086 (or 2658080 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 8253242145 is about 90847.3562906483. The cubic root of 8253242145 is about 2020.8846682941.

The spelling of 8253242145 in words is "eight billion, two hundred fifty-three million, two hundred forty-two thousand, one hundred forty-five".