142682287 has 4 divisors (see below), whose sum is σ = 155653416. Its totient is φ = 129711160.

The previous prime is 142682273. The next prime is 142682303. The reversal of 142682287 is 782286241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142682287 - 2⁷ = 142682159 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 (142682227) 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 3 ways as a sum of consecutive naturals, for example, 6485548 + ... + 6485569.

It is an arithmetic number, because the mean of its divisors is an integer number (38913354).

Almost surely, 2^142682287 is an apocalyptic number.

142682287 is a deficient number, since it is larger than the sum of its proper divisors (12971129).

142682287 is a wasteful number, since it uses less digits than its factorization.

142682287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12971128.

The product of its digits is 86016, while the sum is 40.

The square root of 142682287 is about 11944.9691083736. The cubic root of 142682287 is about 522.5445878176.

The spelling of 142682287 in words is "one hundred forty-two million, six hundred eighty-two thousand, two hundred eighty-seven".