142545031511 has 2 divisors, whose sum is σ = 142545031512. Its totient is φ = 142545031510.

The previous prime is 142545031507. The next prime is 142545031523. The reversal of 142545031511 is 115130545241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142545031511 - 2² = 142545031507 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142545033511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71272515755 + 71272515756.

It is an arithmetic number, because the mean of its divisors is an integer number (71272515756).

Almost surely, 2^142545031511 is an apocalyptic number.

142545031511 is a deficient number, since it is larger than the sum of its proper divisors (1).

142545031511 is an equidigital number, since it uses as much as digits as its factorization.

142545031511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 142545031511 its reverse (115130545241), we get a palindrome (257675576752).

The spelling of 142545031511 in words is "one hundred forty-two billion, five hundred forty-five million, thirty-one thousand, five hundred eleven".