142338349 has 2 divisors, whose sum is σ = 142338350. Its totient is φ = 142338348.

The previous prime is 142338311. The next prime is 142338379. The reversal of 142338349 is 943833241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139665124 + 2673225 = 11818^2 + 1635^2 .

It is a cyclic number.

It is not a de Polignac number, because 142338349 - 2⁷ = 142338221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142338379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71169174 + 71169175.

It is an arithmetic number, because the mean of its divisors is an integer number (71169175).

Almost surely, 2^142338349 is an apocalyptic number.

It is an amenable number.

142338349 is a deficient number, since it is larger than the sum of its proper divisors (1).

142338349 is an equidigital number, since it uses as much as digits as its factorization.

142338349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 142338349 is about 11930.5636497192. The cubic root of 142338349 is about 522.1243825576.

The spelling of 142338349 in words is "one hundred forty-two million, three hundred thirty-eight thousand, three hundred forty-nine".