142285679 has 4 divisors (see below), whose sum is σ = 142327584. Its totient is φ = 142243776.

The previous prime is 142285651. The next prime is 142285681. The reversal of 142285679 is 976582241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976582241 = 10069 ⋅96989.

It is a cyclic number.

It is not a de Polignac number, because 142285679 - 2¹² = 142281583 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 (142285079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15362 + ... + 22815.

It is an arithmetic number, because the mean of its divisors is an integer number (35581896).

Almost surely, 2^142285679 is an apocalyptic number.

142285679 is a deficient number, since it is larger than the sum of its proper divisors (41905).

142285679 is an equidigital number, since it uses as much as digits as its factorization.

142285679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41904.

The product of its digits is 241920, while the sum is 44.

The square root of 142285679 is about 11928.3560895875. The cubic root of 142285679 is about 522.0599733895.

The spelling of 142285679 in words is "one hundred forty-two million, two hundred eighty-five thousand, six hundred seventy-nine".