142414309 has 2 divisors, whose sum is σ = 142414310. Its totient is φ = 142414308.

The previous prime is 142414297. The next prime is 142414387. The reversal of 142414309 is 903414241.

142414309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76073284 + 66341025 = 8722^2 + 8145^2 .

It is an emirp because it is prime and its reverse (903414241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142414309 - 2¹¹ = 142412261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142414109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71207154 + 71207155.

It is an arithmetic number, because the mean of its divisors is an integer number (71207155).

Almost surely, 2^142414309 is an apocalyptic number.

It is an amenable number.

142414309 is a deficient number, since it is larger than the sum of its proper divisors (1).

142414309 is an equidigital number, since it uses as much as digits as its factorization.

142414309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 142414309 is about 11933.7466455426. The cubic root of 142414309 is about 522.2172446602.

The spelling of 142414309 in words is "one hundred forty-two million, four hundred fourteen thousand, three hundred nine".