142532041 has 2 divisors, whose sum is σ = 142532042. Its totient is φ = 142532040.

The previous prime is 142532021. The next prime is 142532069. The reversal of 142532041 is 140235241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95472441 + 47059600 = 9771^2 + 6860^2 .

It is an emirp because it is prime and its reverse (140235241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142532041 - 2⁷ = 142531913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142532021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71266020 + 71266021.

It is an arithmetic number, because the mean of its divisors is an integer number (71266021).

Almost surely, 2^142532041 is an apocalyptic number.

It is an amenable number.

142532041 is a deficient number, since it is larger than the sum of its proper divisors (1).

142532041 is an equidigital number, since it uses as much as digits as its factorization.

142532041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142532041 is about 11938.6783606897. The cubic root of 142532041 is about 522.3611083558.

Adding to 142532041 its reverse (140235241), we get a palindrome (282767282).

The spelling of 142532041 in words is "one hundred forty-two million, five hundred thirty-two thousand, forty-one".