142494307 has 2 divisors, whose sum is σ = 142494308. Its totient is φ = 142494306.

The previous prime is 142494293. The next prime is 142494337. The reversal of 142494307 is 703494241.

It is a happy number.

142494307 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 is an emirp because it is prime and its reverse (703494241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142494307 - 2¹⁹ = 141970019 is a prime.

It is not a weakly prime, because it can be changed into another prime (142494337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71247153 + 71247154.

It is an arithmetic number, because the mean of its divisors is an integer number (71247154).

Almost surely, 2^142494307 is an apocalyptic number.

142494307 is a deficient number, since it is larger than the sum of its proper divisors (1).

142494307 is an equidigital number, since it uses as much as digits as its factorization.

142494307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 142494307 is about 11937.0979304017. The cubic root of 142494307 is about 522.3150075783.

The spelling of 142494307 in words is "one hundred forty-two million, four hundred ninety-four thousand, three hundred seven".