8272145 has 16 divisors (see below), whose sum is σ = 11440128. Its totient is φ = 5624640.

The previous prime is 8272129. The next prime is 8272153. The reversal of 8272145 is 5412728.

It is not a de Polignac number, because 8272145 - 2⁴ = 8272129 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3515 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (715008).

Almost surely, 2^8272145 is an apocalyptic number.

It is an amenable number.

8272145 is a deficient number, since it is larger than the sum of its proper divisors (3167983).

8272145 is a wasteful number, since it uses less digits than its factorization.

8272145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its digits is 4480, while the sum is 29.

The square root of 8272145 is about 2876.1336895214. The cubic root of 8272145 is about 202.2426339717.

It can be divided in two parts, 82 and 72145, that added together give a palindrome (72227).

The spelling of 8272145 in words is "eight million, two hundred seventy-two thousand, one hundred forty-five".