142807 has 8 divisors (see below), whose sum is σ = 170496. Its totient is φ = 116952.

The previous prime is 142799. The next prime is 142811. The reversal of 142807 is 708241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142807 - 2³ = 142799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 604.

It is an arithmetic number, because the mean of its divisors is an integer number (21312).

2¹⁴²⁸⁰⁷ is an apocalyptic number.

142807 is a deficient number, since it is larger than the sum of its proper divisors (27689).

142807 is an equidigital number, since it uses as much as digits as its factorization.

142807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 142807 is about 377.8981344225. The cubic root of 142807 is about 52.2696788736.

It can be divided in two parts, 142 and 807, that added together give a palindrome (949).

The spelling of 142807 in words is "one hundred forty-two thousand, eight hundred seven".