7133145 has 16 divisors (see below), whose sum is σ = 11457600. Its totient is φ = 3789504.

The previous prime is 7133129. The next prime is 7133167. The reversal of 7133145 is 5413317.

It is not a de Polignac number, because 7133145 - 2⁴ = 7133129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3831 + ... + 5379.

It is an arithmetic number, because the mean of its divisors is an integer number (716100).

Almost surely, 2^7133145 is an apocalyptic number.

It is an amenable number.

7133145 is a deficient number, since it is larger than the sum of its proper divisors (4324455).

7133145 is a wasteful number, since it uses less digits than its factorization.

7133145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its digits is 1260, while the sum is 24.

The square root of 7133145 is about 2670.7948255154. The cubic root of 7133145 is about 192.4983527154.

The spelling of 7133145 in words is "seven million, one hundred thirty-three thousand, one hundred forty-five".