7146189 has 18 divisors (see below), whose sum is σ = 10535850. Its totient is φ = 4667328.

The previous prime is 7146173. The next prime is 7146193. The reversal of 7146189 is 9816417.

7146189 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 412164 + 6734025 = 642^2 + 2595^2 .

It is not a de Polignac number, because 7146189 - 2⁴ = 7146173 is a prime.

7146189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7146199) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47887 + ... + 48035.

It is an arithmetic number, because the mean of its divisors is an integer number (585325).

Almost surely, 2^7146189 is an apocalyptic number.

It is an amenable number.

7146189 is a deficient number, since it is larger than the sum of its proper divisors (3389661).

7146189 is a wasteful number, since it uses less digits than its factorization.

7146189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 225 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 7146189 is about 2673.2356798457. The cubic root of 7146189 is about 192.6156184059.

It can be divided in two parts, 714 and 6189, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 7146189 in words is "seven million, one hundred forty-six thousand, one hundred eighty-nine".