106530143 has 4 divisors (see below), whose sum is σ = 112796640. Its totient is φ = 100263648.

The previous prime is 106530133. The next prime is 106530161. The reversal of 106530143 is 341035601.

It is a happy number.

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 106530143 - 2¹⁶ = 106464607 is a prime.

It is a super-2 number, since 2×106530143² = 22697342735200898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106530133) 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, 3133223 + ... + 3133256.

It is an arithmetic number, because the mean of its divisors is an integer number (28199160).

Almost surely, 2^106530143 is an apocalyptic number.

106530143 is a deficient number, since it is larger than the sum of its proper divisors (6266497).

106530143 is an equidigital number, since it uses as much as digits as its factorization.

106530143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266496.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 106530143 is about 10321.3440500741. The cubic root of 106530143 is about 474.0500208328.

Adding to 106530143 its reverse (341035601), we get a palindrome (447565744).

The spelling of 106530143 in words is "one hundred six million, five hundred thirty thousand, one hundred forty-three".