142151545541 has 2 divisors, whose sum is σ = 142151545542. Its totient is φ = 142151545540.

The previous prime is 142151545507. The next prime is 142151545573. The reversal of 142151545541 is 145545151241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107050024225 + 35101521316 = 327185^2 + 187354^2 .

It is a cyclic number.

It is not a de Polignac number, because 142151545541 - 2¹⁰ = 142151544517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142151545495 and 142151545504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142151505541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71075772770 + 71075772771.

It is an arithmetic number, because the mean of its divisors is an integer number (71075772771).

Almost surely, 2^142151545541 is an apocalyptic number.

It is an amenable number.

142151545541 is a deficient number, since it is larger than the sum of its proper divisors (1).

142151545541 is an equidigital number, since it uses as much as digits as its factorization.

142151545541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80000, while the sum is 38.

Adding to 142151545541 its reverse (145545151241), we get a palindrome (287696696782).

The spelling of 142151545541 in words is "one hundred forty-two billion, one hundred fifty-one million, five hundred forty-five thousand, five hundred forty-one".