106220143 has 4 divisors (see below), whose sum is σ = 106723768. Its totient is φ = 105716520.

The previous prime is 106220137. The next prime is 106220197. The reversal of 106220143 is 341022601.

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 106220143 - 2⁵ = 106220111 is a prime.

It is a super-2 number, since 2×106220143² = 22565437557880898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106220143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106220123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251496 + ... + 251917.

It is an arithmetic number, because the mean of its divisors is an integer number (26680942).

Almost surely, 2^106220143 is an apocalyptic number.

106220143 is a deficient number, since it is larger than the sum of its proper divisors (503625).

106220143 is an equidigital number, since it uses as much as digits as its factorization.

106220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503624.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 106220143 is about 10306.3156850545. The cubic root of 106220143 is about 473.5897495932.

Adding to 106220143 its reverse (341022601), we get a palindrome (447242744).

The spelling of 106220143 in words is "one hundred six million, two hundred twenty thousand, one hundred forty-three".