7145005 has 8 divisors (see below), whose sum is σ = 9798912. Its totient is φ = 4899408.

The previous prime is 7145003. The next prime is 7145011. The reversal of 7145005 is 5005417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7145005 - 2¹ = 7145003 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102037 + ... + 102106.

It is an arithmetic number, because the mean of its divisors is an integer number (1224864).

Almost surely, 2^7145005 is an apocalyptic number.

It is an amenable number.

7145005 is a deficient number, since it is larger than the sum of its proper divisors (2653907).

7145005 is a wasteful number, since it uses less digits than its factorization.

7145005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204155.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 7145005 is about 2673.0142161986. The cubic root of 7145005 is about 192.6049801254.

The spelling of 7145005 in words is "seven million, one hundred forty-five thousand, five".