142881041 has 2 divisors, whose sum is σ = 142881042. Its totient is φ = 142881040.

The previous prime is 142881031. The next prime is 142881047. The reversal of 142881041 is 140188241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110334016 + 32547025 = 10504^2 + 5705^2 .

It is an emirp because it is prime and its reverse (140188241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142881041 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 142880995 and 142881013.

It is not a weakly prime, because it can be changed into another prime (142881047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71440520 + 71440521.

It is an arithmetic number, because the mean of its divisors is an integer number (71440521).

Almost surely, 2^142881041 is an apocalyptic number.

It is an amenable number.

142881041 is a deficient number, since it is larger than the sum of its proper divisors (1).

142881041 is an equidigital number, since it uses as much as digits as its factorization.

142881041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 142881041 is about 11953.2857825788. The cubic root of 142881041 is about 522.7871071529.

The spelling of 142881041 in words is "one hundred forty-two million, eight hundred eighty-one thousand, forty-one".