142335541 has 2 divisors, whose sum is σ = 142335542. Its totient is φ = 142335540.

The previous prime is 142335533. The next prime is 142335587. The reversal of 142335541 is 145533241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113337316 + 28998225 = 10646^2 + 5385^2 .

It is a cyclic number.

It is not a de Polignac number, because 142335541 - 2³ = 142335533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142335521) 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, 71167770 + 71167771.

It is an arithmetic number, because the mean of its divisors is an integer number (71167771).

Almost surely, 2^142335541 is an apocalyptic number.

It is an amenable number.

142335541 is a deficient number, since it is larger than the sum of its proper divisors (1).

142335541 is an equidigital number, since it uses as much as digits as its factorization.

142335541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 142335541 is about 11930.4459681941. The cubic root of 142335541 is about 522.1209491074.

Adding to 142335541 its reverse (145533241), we get a palindrome (287868782).

The spelling of 142335541 in words is "one hundred forty-two million, three hundred thirty-five thousand, five hundred forty-one".