143612101 has 2 divisors, whose sum is σ = 143612102. Its totient is φ = 143612100.

The previous prime is 143612093. The next prime is 143612123. The reversal of 143612101 is 101216341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130644900 + 12967201 = 11430^2 + 3601^2 .

It is a cyclic number.

It is not a de Polignac number, because 143612101 - 2³ = 143612093 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143612501) 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, 71806050 + 71806051.

It is an arithmetic number, because the mean of its divisors is an integer number (71806051).

Almost surely, 2^143612101 is an apocalyptic number.

It is an amenable number.

143612101 is a deficient number, since it is larger than the sum of its proper divisors (1).

143612101 is an equidigital number, since it uses as much as digits as its factorization.

143612101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 143612101 is about 11983.8266426046. The cubic root of 143612101 is about 523.6772153515.

Adding to 143612101 its reverse (101216341), we get a palindrome (244828442).

The spelling of 143612101 in words is "one hundred forty-three million, six hundred twelve thousand, one hundred one".