224140543 has 8 divisors (see below), whose sum is σ = 255148416. Its totient is φ = 194904600.

The previous prime is 224140523. The next prime is 224140559. The reversal of 224140543 is 345041422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-224140543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224140523) 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, 442713 + ... + 443218.

It is an arithmetic number, because the mean of its divisors is an integer number (31893552).

Almost surely, 2^224140543 is an apocalyptic number.

224140543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

224140543 is a deficient number, since it is larger than the sum of its proper divisors (31007873).

224140543 is a wasteful number, since it uses less digits than its factorization.

224140543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885965.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 224140543 is about 14971.3240229447. The cubic root of 224140543 is about 607.4447830952. Note that the first 3 decimals are identical.

Adding to 224140543 its reverse (345041422), we get a palindrome (569181965).

The spelling of 224140543 in words is "two hundred twenty-four million, one hundred forty thousand, five hundred forty-three".