7130145 has 32 divisors (see below), whose sum is σ = 12625920. Its totient is φ = 3407040.

The previous prime is 7130141. The next prime is 7130147. The reversal of 7130145 is 5410317.

7130145 is nontrivially palindromic in base 7.

It is not a de Polignac number, because 7130145 - 2² = 7130141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7130141) 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, 12762 + ... + 13308.

It is an arithmetic number, because the mean of its divisors is an integer number (394560).

Almost surely, 2^7130145 is an apocalyptic number.

It is an amenable number.

7130145 is a deficient number, since it is larger than the sum of its proper divisors (5495775).

7130145 is a wasteful number, since it uses less digits than its factorization.

7130145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 7130145 is about 2670.2331358891. The cubic root of 7130145 is about 192.4713624684.

The spelling of 7130145 in words is "seven million, one hundred thirty thousand, one hundred forty-five".