142424636 has 6 divisors (see below), whose sum is σ = 249243120. Its totient is φ = 71212316.

The previous prime is 142424609. The next prime is 142424677. The reversal of 142424636 is 636424241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17803076 + ... + 17803083.

It is an arithmetic number, because the mean of its divisors is an integer number (41540520).

Almost surely, 2^142424636 is an apocalyptic number.

It is an amenable number.

142424636 is a deficient number, since it is larger than the sum of its proper divisors (106818484).

142424636 is a wasteful number, since it uses less digits than its factorization.

142424636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35606163 (or 35606161 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 142424636 is about 11934.1793182439. The cubic root of 142424636 is about 522.2298670041.

Adding to 142424636 its reverse (636424241), we get a palindrome (778848877).

The spelling of 142424636 in words is "one hundred forty-two million, four hundred twenty-four thousand, six hundred thirty-six".