7142448 has 40 divisors (see below), whose sum is σ = 19538928. Its totient is φ = 2240512.

The previous prime is 7142437. The next prime is 7142479. The reversal of 7142448 is 8442417.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3561 + ... + 5192.

Almost surely, 2^7142448 is an apocalyptic number.

It is an amenable number.

7142448 is an abundant number, since it is smaller than the sum of its proper divisors (12396480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7142448 is a wasteful number, since it uses less digits than its factorization.

7142448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8781 (or 8775 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 7142448 is about 2672.5358744084. The cubic root of 7142448 is about 192.5820013827.

The spelling of 7142448 in words is "seven million, one hundred forty-two thousand, four hundred forty-eight".