142176841 has 2 divisors, whose sum is σ = 142176842. Its totient is φ = 142176840.

The previous prime is 142176817. The next prime is 142176851. The reversal of 142176841 is 148671241.

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., 141134400 + 1042441 = 11880^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 142176841 - 2⁵ = 142176809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142176797 and 142176806.

It is not a weakly prime, because it can be changed into another prime (142176851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71088420 + 71088421.

It is an arithmetic number, because the mean of its divisors is an integer number (71088421).

Almost surely, 2^142176841 is an apocalyptic number.

It is an amenable number.

142176841 is a deficient number, since it is larger than the sum of its proper divisors (1).

142176841 is an equidigital number, since it uses as much as digits as its factorization.

142176841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 142176841 is about 11923.7930626122. The cubic root of 142176841 is about 521.9268270377.

The spelling of 142176841 in words is "one hundred forty-two million, one hundred seventy-six thousand, eight hundred forty-one".