142520541547 has 2 divisors, whose sum is σ = 142520541548. Its totient is φ = 142520541546.

The previous prime is 142520541533. The next prime is 142520541563. The reversal of 142520541547 is 745145025241.

142520541547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142520541547 - 2³¹ = 140373057899 is a prime.

It is not a weakly prime, because it can be changed into another prime (142520541587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71260270773 + 71260270774.

It is an arithmetic number, because the mean of its divisors is an integer number (71260270774).

Almost surely, 2^142520541547 is an apocalyptic number.

142520541547 is a deficient number, since it is larger than the sum of its proper divisors (1).

142520541547 is an equidigital number, since it uses as much as digits as its factorization.

142520541547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224000, while the sum is 40.

Adding to 142520541547 its reverse (745145025241), we get a palindrome (887665566788).

The spelling of 142520541547 in words is "one hundred forty-two billion, five hundred twenty million, five hundred forty-one thousand, five hundred forty-seven".