142045042057 has 2 divisors, whose sum is σ = 142045042058. Its totient is φ = 142045042056.

The previous prime is 142045042021. The next prime is 142045042063. The reversal of 142045042057 is 750240540241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136217093776 + 5827948281 = 369076^2 + 76341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142045042057 is a prime.

It is not a weakly prime, because it can be changed into another prime (142045042157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022521028 + 71022521029.

It is an arithmetic number, because the mean of its divisors is an integer number (71022521029).

Almost surely, 2^142045042057 is an apocalyptic number.

It is an amenable number.

142045042057 is a deficient number, since it is larger than the sum of its proper divisors (1).

142045042057 is an equidigital number, since it uses as much as digits as its factorization.

142045042057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 34.

Adding to 142045042057 its reverse (750240540241), we get a palindrome (892285582298).

The spelling of 142045042057 in words is "one hundred forty-two billion, forty-five million, forty-two thousand, fifty-seven".