1143448 has 16 divisors (see below), whose sum is σ = 2202480. Its totient is φ = 556128.

The previous prime is 1143433. The next prime is 1143469. The reversal of 1143448 is 8443411.

It is a congruent number.

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, 1636 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (137655).

2^1143448 is an apocalyptic number.

It is an amenable number.

1143448 is a deficient number, since it is larger than the sum of its proper divisors (1059032).

1143448 is a wasteful number, since it uses less digits than its factorization.

1143448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3902 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 1143448 is about 1069.3212800651. The cubic root of 1143448 is about 104.5696063351.

Adding to 1143448 its reverse (8443411), we get a palindrome (9586859).

The spelling of 1143448 in words is "one million, one hundred forty-three thousand, four hundred forty-eight".