220245143 has 2 divisors, whose sum is σ = 220245144. Its totient is φ = 220245142.

The previous prime is 220245121. The next prime is 220245163. The reversal of 220245143 is 341542022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220245143 - 2²² = 216050839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220245163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110122571 + 110122572.

It is an arithmetic number, because the mean of its divisors is an integer number (110122572).

Almost surely, 2^220245143 is an apocalyptic number.

220245143 is a deficient number, since it is larger than the sum of its proper divisors (1).

220245143 is an equidigital number, since it uses as much as digits as its factorization.

220245143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 220245143 is about 14840.6584422660. The cubic root of 220245143 is about 603.9052149773.

Adding to 220245143 its reverse (341542022), we get a palindrome (561787165).

The spelling of 220245143 in words is "two hundred twenty million, two hundred forty-five thousand, one hundred forty-three".