142676689 has 16 divisors (see below), whose sum is σ = 148599360. Its totient is φ = 136918080.

The previous prime is 142676687. The next prime is 142676693. The reversal of 142676689 is 986676241.

It is not a de Polignac number, because 142676689 - 2¹ = 142676687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142676687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788179 + ... + 788359.

It is an arithmetic number, because the mean of its divisors is an integer number (9287460).

Almost surely, 2^142676689 is an apocalyptic number.

It is an amenable number.

142676689 is a deficient number, since it is larger than the sum of its proper divisors (5922671).

142676689 is a wasteful number, since it uses less digits than its factorization.

142676689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its digits is 870912, while the sum is 49.

The square root of 142676689 is about 11944.7347814843. The cubic root of 142676689 is about 522.5377538862.

The spelling of 142676689 in words is "one hundred forty-two million, six hundred seventy-six thousand, six hundred eighty-nine".