7145384 has 16 divisors (see below), whose sum is σ = 13485300. Its totient is φ = 3549312.

The previous prime is 7145377. The next prime is 7145393. The reversal of 7145384 is 4835417.

It can be written as a sum of positive squares in 2 ways, for example, as 6916900 + 228484 = 2630^2 + 478^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7145384.

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 3 ways as a sum of consecutive naturals, for example, 1589 + ... + 4100.

Almost surely, 2^7145384 is an apocalyptic number.

It is an amenable number.

7145384 is a deficient number, since it is larger than the sum of its proper divisors (6339916).

7145384 is a wasteful number, since it uses less digits than its factorization.

7145384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852 (or 5848 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 7145384 is about 2673.0851090079. The cubic root of 7145384 is about 192.6083855812.

The spelling of 7145384 in words is "seven million, one hundred forty-five thousand, three hundred eighty-four".