554223143 has 2 divisors, whose sum is σ = 554223144. Its totient is φ = 554223142.

The previous prime is 554223139. The next prime is 554223149. The reversal of 554223143 is 341322455.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554223143 - 2² = 554223139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554223149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277111571 + 277111572.

It is an arithmetic number, because the mean of its divisors is an integer number (277111572).

Almost surely, 2^554223143 is an apocalyptic number.

554223143 is a deficient number, since it is larger than the sum of its proper divisors (1).

554223143 is an equidigital number, since it uses as much as digits as its factorization.

554223143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 554223143 is about 23541.9443334657. The cubic root of 554223143 is about 821.4129629570.

Adding to 554223143 its reverse (341322455), we get a palindrome (895545598).

The spelling of 554223143 in words is "five hundred fifty-four million, two hundred twenty-three thousand, one hundred forty-three".