101042540147 has 2 divisors, whose sum is σ = 101042540148. Its totient is φ = 101042540146.

The previous prime is 101042540143. The next prime is 101042540173. The reversal of 101042540147 is 741045240101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101042540147 - 2² = 101042540143 is a prime.

It is not a weakly prime, because it can be changed into another prime (101042540141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50521270073 + 50521270074.

It is an arithmetic number, because the mean of its divisors is an integer number (50521270074).

Almost surely, 2^101042540147 is an apocalyptic number.

101042540147 is a deficient number, since it is larger than the sum of its proper divisors (1).

101042540147 is an equidigital number, since it uses as much as digits as its factorization.

101042540147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 101042540147 its reverse (741045240101), we get a palindrome (842087780248).

The spelling of 101042540147 in words is "one hundred one billion, forty-two million, five hundred forty thousand, one hundred forty-seven".