7522143 has 16 divisors (see below), whose sum is σ = 10759680. Its totient is φ = 4657536.

The previous prime is 7522111. The next prime is 7522159. The reversal of 7522143 is 3412257.

It is not a de Polignac number, because 7522143 - 2⁵ = 7522111 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3096 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (672480).

Almost surely, 2^7522143 is an apocalyptic number.

7522143 is a deficient number, since it is larger than the sum of its proper divisors (3237537).

7522143 is a wasteful number, since it uses less digits than its factorization.

7522143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its digits is 1680, while the sum is 24.

The square root of 7522143 is about 2742.6525481730. The cubic root of 7522143 is about 195.9358303748.

The spelling of 7522143 in words is "seven million, five hundred twenty-two thousand, one hundred forty-three".