142307807 has 2 divisors, whose sum is σ = 142307808. Its totient is φ = 142307806.

The previous prime is 142307773. The next prime is 142307873. The reversal of 142307807 is 708703241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (708703241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142307807 - 2⁶ = 142307743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142303807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71153903 + 71153904.

It is an arithmetic number, because the mean of its divisors is an integer number (71153904).

Almost surely, 2^142307807 is an apocalyptic number.

142307807 is a deficient number, since it is larger than the sum of its proper divisors (1).

142307807 is an equidigital number, since it uses as much as digits as its factorization.

142307807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 142307807 is about 11929.2835912304. The cubic root of 142307807 is about 522.0870352469.

The spelling of 142307807 in words is "one hundred forty-two million, three hundred seven thousand, eight hundred seven".