7985145 has 32 divisors (see below), whose sum is σ = 14752512. Its totient is φ = 3612672.

The previous prime is 7985141. The next prime is 7985147. The reversal of 7985145 is 5415897.

It is not a de Polignac number, because 7985145 - 2² = 7985141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7985141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11529 + ... + 12201.

It is an arithmetic number, because the mean of its divisors is an integer number (461016).

Almost surely, 2^7985145 is an apocalyptic number.

It is an amenable number.

7985145 is a deficient number, since it is larger than the sum of its proper divisors (6767367).

7985145 is a wasteful number, since it uses less digits than its factorization.

7985145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its digits is 50400, while the sum is 39.

The square root of 7985145 is about 2825.7998867577. The cubic root of 7985145 is about 199.8761316323.

The spelling of 7985145 in words is "seven million, nine hundred eighty-five thousand, one hundred forty-five".