7145085 has 16 divisors (see below), whose sum is σ = 11594880. Its totient is φ = 3756480.

The previous prime is 7145071. The next prime is 7145087. The reversal of 7145085 is 5805417.

It is not a de Polignac number, because 7145085 - 2⁴ = 7145069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2290 + ... + 4419.

It is an arithmetic number, because the mean of its divisors is an integer number (724680).

Almost surely, 2^7145085 is an apocalyptic number.

It is an amenable number.

7145085 is a deficient number, since it is larger than the sum of its proper divisors (4449795).

7145085 is a wasteful number, since it uses less digits than its factorization.

7145085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6788.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 7145085 is about 2673.0291805366. The cubic root of 7145085 is about 192.6056989652.

The spelling of 7145085 in words is "seven million, one hundred forty-five thousand, eighty-five".