7112545 has 16 divisors (see below), whose sum is σ = 9859968. Its totient is φ = 4867840.

The previous prime is 7112531. The next prime is 7112551. The reversal of 7112545 is 5452117.

It is not a de Polignac number, because 7112545 - 2⁵ = 7112513 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, 2869 + ... + 4738.

It is an arithmetic number, because the mean of its divisors is an integer number (616248).

Almost surely, 2^7112545 is an apocalyptic number.

It is an amenable number.

7112545 is a deficient number, since it is larger than the sum of its proper divisors (2747423).

7112545 is a wasteful number, since it uses less digits than its factorization.

7112545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640.

The product of its digits is 1400, while the sum is 25.

The square root of 7112545 is about 2666.9355072817. The cubic root of 7112545 is about 192.3128669992.

The spelling of 7112545 in words is "seven million, one hundred twelve thousand, five hundred forty-five".