7145283 has 8 divisors (see below), whose sum is σ = 9834496. Its totient is φ = 4609800.

The previous prime is 7145251. The next prime is 7145291. The reversal of 7145283 is 3825417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7145283 - 2⁵ = 7145251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7145283.

It is not an unprimeable number, because it can be changed into a prime (7145233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38323 + ... + 38508.

It is an arithmetic number, because the mean of its divisors is an integer number (1229312).

Almost surely, 2^7145283 is an apocalyptic number.

7145283 is a deficient number, since it is larger than the sum of its proper divisors (2689213).

7145283 is a wasteful number, since it uses less digits than its factorization.

7145283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76865.

The product of its digits is 6720, while the sum is 30.

The square root of 7145283 is about 2673.0662169127. The cubic root of 7145283 is about 192.6074780705.

It can be divided in two parts, 71 and 45283, that added together give a palindrome (45354).

The spelling of 7145283 in words is "seven million, one hundred forty-five thousand, two hundred eighty-three".