101040143 has 2 divisors, whose sum is σ = 101040144. Its totient is φ = 101040142.

The previous prime is 101040139. The next prime is 101040151. The reversal of 101040143 is 341040101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101040143 - 2² = 101040139 is a prime.

It is a super-2 number, since 2×101040143² = 20418220994920898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101040743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50520071 + 50520072.

It is an arithmetic number, because the mean of its divisors is an integer number (50520072).

Almost surely, 2^101040143 is an apocalyptic number.

101040143 is a deficient number, since it is larger than the sum of its proper divisors (1).

101040143 is an equidigital number, since it uses as much as digits as its factorization.

101040143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101040143 is about 10051.8726116082. The cubic root of 101040143 is about 465.7626410677.

Adding to 101040143 its reverse (341040101), we get a palindrome (442080244).

The spelling of 101040143 in words is "one hundred one million, forty thousand, one hundred forty-three".