7143148 has 12 divisors (see below), whose sum is σ = 12520872. Its totient is φ = 3565760.

The previous prime is 7143139. The next prime is 7143163. The reversal of 7143148 is 8413417.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2511 + ... + 4537.

It is an arithmetic number, because the mean of its divisors is an integer number (1043406).

Almost surely, 2^7143148 is an apocalyptic number.

It is an amenable number.

7143148 is a deficient number, since it is larger than the sum of its proper divisors (5377724).

7143148 is a wasteful number, since it uses less digits than its factorization.

7143148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912 (or 2910 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 7143148 is about 2672.6668329592. Note that the first 3 decimals coincide. The cubic root of 7143148 is about 192.5882925495.

The spelling of 7143148 in words is "seven million, one hundred forty-three thousand, one hundred forty-eight".