142584685 has 12 divisors (see below), whose sum is σ = 173576124. Its totient is φ = 112441280.

The previous prime is 142584667. The next prime is 142584691. The reversal of 142584685 is 586485241.

It can be written as a sum of positive squares in 2 ways, for example, as 30669444 + 111915241 = 5538^2 + 10579^2 .

It is not a de Polignac number, because 142584685 - 2⁵ = 142584653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22377 + ... + 28033.

It is an arithmetic number, because the mean of its divisors is an integer number (14464677).

Almost surely, 2^142584685 is an apocalyptic number.

It is an amenable number.

142584685 is a deficient number, since it is larger than the sum of its proper divisors (30991439).

142584685 is an frugal number, since it uses more digits than its factorization.

142584685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5804 (or 5733 counting only the distinct ones).

The product of its digits is 307200, while the sum is 43.

The square root of 142584685 is about 11940.8829238043. The cubic root of 142584685 is about 522.4254115424.

The spelling of 142584685 in words is "one hundred forty-two million, five hundred eighty-four thousand, six hundred eighty-five".