142320301 has 2 divisors, whose sum is σ = 142320302. Its totient is φ = 142320300.

The previous prime is 142320247. The next prime is 142320337. The reversal of 142320301 is 103023241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97416900 + 44903401 = 9870^2 + 6701^2 .

It is an emirp because it is prime and its reverse (103023241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142320301 - 2⁷ = 142320173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142321301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160150 + 71160151.

It is an arithmetic number, because the mean of its divisors is an integer number (71160151).

Almost surely, 2^142320301 is an apocalyptic number.

It is an amenable number.

142320301 is a deficient number, since it is larger than the sum of its proper divisors (1).

142320301 is an equidigital number, since it uses as much as digits as its factorization.

142320301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142320301 is about 11929.8072490715. The cubic root of 142320301 is about 522.1023137822.

Adding to 142320301 its reverse (103023241), we get a palindrome (245343542).

The spelling of 142320301 in words is "one hundred forty-two million, three hundred twenty thousand, three hundred one".