142333417 has 2 divisors, whose sum is σ = 142333418. Its totient is φ = 142333416.

The previous prime is 142333381. The next prime is 142333423. The reversal of 142333417 is 714333241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106584976 + 35748441 = 10324^2 + 5979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142333417 is a prime.

It is not a weakly prime, because it can be changed into another prime (142343417) 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, 71166708 + 71166709.

It is an arithmetic number, because the mean of its divisors is an integer number (71166709).

Almost surely, 2^142333417 is an apocalyptic number.

It is an amenable number.

142333417 is a deficient number, since it is larger than the sum of its proper divisors (1).

142333417 is an equidigital number, since it uses as much as digits as its factorization.

142333417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 142333417 is about 11930.3569519105. The cubic root of 142333417 is about 522.1183519804.

Adding to 142333417 its reverse (714333241), we get a palindrome (856666658).

The spelling of 142333417 in words is "one hundred forty-two million, three hundred thirty-three thousand, four hundred seventeen".