143227456 has 56 divisors (see below), whose sum is σ = 293156640. Its totient is φ = 69399552.

The previous prime is 143227439. The next prime is 143227457. The reversal of 143227456 is 654722341.

It is not an unprimeable number, because it can be changed into a prime (143227457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313180 + ... + 313636.

It is an arithmetic number, because the mean of its divisors is an integer number (5234940).

Almost surely, 2^143227456 is an apocalyptic number.

143227456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143227456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146578320).

143227456 is an abundant number, since it is smaller than the sum of its proper divisors (149929184).

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

143227456 is an equidigital number, since it uses as much as digits as its factorization.

143227456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 601 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 143227456 is about 11967.7673774184. The cubic root of 143227456 is about 523.2092651740.

Adding to 143227456 its reverse (654722341), we get a palindrome (797949797).

The spelling of 143227456 in words is "one hundred forty-three million, two hundred twenty-seven thousand, four hundred fifty-six".