200143456 has 12 divisors (see below), whose sum is σ = 394032492. Its totient is φ = 100071712.

The previous prime is 200143441. The next prime is 200143469. The reversal of 200143456 is 654341002.

It is a self number, because there is not a number n which added to its sum of digits gives 200143456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3127210 + ... + 3127273.

It is an arithmetic number, because the mean of its divisors is an integer number (32836041).

Almost surely, 2^200143456 is an apocalyptic number.

It is an amenable number.

200143456 is a deficient number, since it is larger than the sum of its proper divisors (193889036).

200143456 is an equidigital number, since it uses as much as digits as its factorization.

200143456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254493 (or 6254485 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 200143456 is about 14147.2066500776. The cubic root of 200143456 is about 584.9433368548.

Adding to 200143456 its reverse (654341002), we get a palindrome (854484458).

The spelling of 200143456 in words is "two hundred million, one hundred forty-three thousand, four hundred fifty-six".