143106133 has 4 divisors (see below), whose sum is σ = 143133760. Its totient is φ = 143078508.

The previous prime is 143106083. The next prime is 143106143. The reversal of 143106133 is 331601341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331601341 = 29 ⋅11434529.

It is a 3-Lehmer number, since φ(143106133) divides (143106133-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143106133 is a prime.

It is a deceptive number, since it divides R_143106132.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143106143) 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 in 3 ways as a sum of consecutive naturals, for example, 3453 + ... + 17266.

It is an arithmetic number, because the mean of its divisors is an integer number (35783440).

It is a Poulet number, since it divides 2^143106132-1.

Almost surely, 2^143106133 is an apocalyptic number.

143106133 is the 6907-th octagonal number.

It is an amenable number.

143106133 is a deficient number, since it is larger than the sum of its proper divisors (27627).

143106133 is an equidigital number, since it uses as much as digits as its factorization.

143106133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27626.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 143106133 is about 11962.6975636768. The cubic root of 143106133 is about 523.0614926471.

Adding to 143106133 its reverse (331601341), we get a palindrome (474707474).

It can be divided in two parts, 143 and 106133, that added together give a square (106276 = 326²).

The spelling of 143106133 in words is "one hundred forty-three million, one hundred six thousand, one hundred thirty-three".