143540101 has 2 divisors, whose sum is σ = 143540102. Its totient is φ = 143540100.

The previous prime is 143540087. The next prime is 143540107. The reversal of 143540101 is 101045341.

143540101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139830625 + 3709476 = 11825^2 + 1926^2 .

It is a cyclic number.

It is not a de Polignac number, because 143540101 - 2²⁷ = 9322373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143540107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71770050 + 71770051.

It is an arithmetic number, because the mean of its divisors is an integer number (71770051).

Almost surely, 2^143540101 is an apocalyptic number.

It is an amenable number.

143540101 is a deficient number, since it is larger than the sum of its proper divisors (1).

143540101 is an equidigital number, since it uses as much as digits as its factorization.

143540101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 143540101 is about 11980.8222171936. The cubic root of 143540101 is about 523.5896854426.

Adding to 143540101 its reverse (101045341), we get a palindrome (244585442).

It can be divided in two parts, 143540 and 101, that added together give a square (143641 = 379²).

The spelling of 143540101 in words is "one hundred forty-three million, five hundred forty thousand, one hundred one".