142404133 has 2 divisors, whose sum is σ = 142404134. Its totient is φ = 142404132.

The previous prime is 142404091. The next prime is 142404149. The reversal of 142404133 is 331404241.

142404133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89434849 + 52969284 = 9457^2 + 7278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142404133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142404233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71202066 + 71202067.

It is an arithmetic number, because the mean of its divisors is an integer number (71202067).

Almost surely, 2^142404133 is an apocalyptic number.

It is an amenable number.

142404133 is a deficient number, since it is larger than the sum of its proper divisors (1).

142404133 is an equidigital number, since it uses as much as digits as its factorization.

142404133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142404133 is about 11933.3202839780. The cubic root of 142404133 is about 522.2048062817.

Adding to 142404133 its reverse (331404241), we get a palindrome (473808374).

The spelling of 142404133 in words is "one hundred forty-two million, four hundred four thousand, one hundred thirty-three".