220446143 has 2 divisors, whose sum is σ = 220446144. Its totient is φ = 220446142.

The previous prime is 220446101. The next prime is 220446173. The reversal of 220446143 is 341644022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220446143 - 2¹⁶ = 220380607 is a prime.

It is equal to p_12145670 and since 220446143 and 12145670 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220446173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110223071 + 110223072.

It is an arithmetic number, because the mean of its divisors is an integer number (110223072).

Almost surely, 2^220446143 is an apocalyptic number.

220446143 is a deficient number, since it is larger than the sum of its proper divisors (1).

220446143 is an equidigital number, since it uses as much as digits as its factorization.

220446143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 220446143 is about 14847.4288346501. The cubic root of 220446143 is about 604.0888709998.

The spelling of 220446143 in words is "two hundred twenty million, four hundred forty-six thousand, one hundred forty-three".