224890143 has 4 divisors (see below), whose sum is σ = 299853528. Its totient is φ = 149926760.

The previous prime is 224890117. The next prime is 224890177. The reversal of 224890143 is 341098422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224890143 - 2⁵ = 224890111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224898143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37481688 + ... + 37481693.

It is an arithmetic number, because the mean of its divisors is an integer number (74963382).

Almost surely, 2^224890143 is an apocalyptic number.

224890143 is a deficient number, since it is larger than the sum of its proper divisors (74963385).

224890143 is an equidigital number, since it uses as much as digits as its factorization.

224890143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74963384.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 224890143 is about 14996.3376529071. The cubic root of 224890143 is about 608.1211949292.

The spelling of 224890143 in words is "two hundred twenty-four million, eight hundred ninety thousand, one hundred forty-three".