224500143 has 32 divisors (see below), whose sum is σ = 364492800. Its totient is φ = 120051936.

The previous prime is 224500141. The next prime is 224500163. The reversal of 224500143 is 341005422.

It is not a de Polignac number, because 224500143 - 2¹ = 224500141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224500141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29728 + ... + 36506.

It is an arithmetic number, because the mean of its divisors is an integer number (11390400).

Almost surely, 2^224500143 is an apocalyptic number.

224500143 is a deficient number, since it is larger than the sum of its proper divisors (139992657).

224500143 is a wasteful number, since it uses less digits than its factorization.

224500143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 224500143 is about 14983.3288357427. The cubic root of 224500143 is about 607.7694609789.

Adding to 224500143 its reverse (341005422), we get a palindrome (565505565).

The spelling of 224500143 in words is "two hundred twenty-four million, five hundred thousand, one hundred forty-three".