142685432 has 16 divisors (see below), whose sum is σ = 268394640. Its totient is φ = 71113536.

The previous prime is 142685429. The next prime is 142685447. The reversal of 142685432 is 234586241.

It is a junction number, because it is equal to n+sod(n) for n = 142685392 and 142685401.

It is a congruent number.

It is an unprimeable number.

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, 25988 + ... + 30995.

It is an arithmetic number, because the mean of its divisors is an integer number (16774665).

Almost surely, 2^142685432 is an apocalyptic number.

It is an amenable number.

142685432 is a deficient number, since it is larger than the sum of its proper divisors (125709208).

142685432 is a wasteful number, since it uses less digits than its factorization.

142685432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57302 (or 57298 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 142685432 is about 11945.1007530284. The cubic root of 142685432 is about 522.5484270950.

The spelling of 142685432 in words is "one hundred forty-two million, six hundred eighty-five thousand, four hundred thirty-two".