143224000 has 56 divisors (see below), whose sum is σ = 354714048. Its totient is φ = 57286400.

The previous prime is 143223991. The next prime is 143224009. The reversal of 143224000 is 422341.

It is an interprime number because it is at equal distance from previous prime (143223991) and next prime (143224009).

It is a super-2 number, since 2×143224000² = 41026228352000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (143224009) 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, 952 + ... + 16951.

Almost surely, 2^143224000 is an apocalyptic number.

143224000 is a gapful number since it is divisible by the number (10) 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 143224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177357024).

143224000 is an abundant number, since it is smaller than the sum of its proper divisors (211490048).

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

143224000 is an equidigital number, since it uses as much as digits as its factorization.

143224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17930 (or 17910 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 143224000 is about 11967.6229887142. The cubic root of 143224000 is about 523.2050568892.

Adding to 143224000 its reverse (422341), we get a palindrome (143646341).

The spelling of 143224000 in words is "one hundred forty-three million, two hundred twenty-four thousand".