7107145 has 16 divisors (see below), whose sum is σ = 8982288. Its totient is φ = 5391360.

The previous prime is 7107137. The next prime is 7107157. The reversal of 7107145 is 5417017.

It can be written as a sum of positive squares in 8 ways, for example, as 1089936 + 6017209 = 1044^2 + 2453^2 .

It is not a de Polignac number, because 7107145 - 2³ = 7107137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7117 + ... + 8053.

It is an arithmetic number, because the mean of its divisors is an integer number (561393).

Almost surely, 2^7107145 is an apocalyptic number.

It is an amenable number.

7107145 is a deficient number, since it is larger than the sum of its proper divisors (1875143).

7107145 is a wasteful number, since it uses less digits than its factorization.

7107145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 7107145 is about 2665.9229171152. The cubic root of 7107145 is about 192.2641852963.

The spelling of 7107145 in words is "seven million, one hundred seven thousand, one hundred forty-five".