142504636 has 12 divisors (see below), whose sum is σ = 262508680. Its totient is φ = 67502160.

The previous prime is 142504631. The next prime is 142504657. The reversal of 142504636 is 636405241.

It is a junction number, because it is equal to n+sod(n) for n = 142504598 and 142504607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142504631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937455 + ... + 937606.

Almost surely, 2^142504636 is an apocalyptic number.

It is an amenable number.

142504636 is a deficient number, since it is larger than the sum of its proper divisors (120004044).

142504636 is a wasteful number, since it uses less digits than its factorization.

142504636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875084 (or 1875082 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 142504636 is about 11937.5305654059. The cubic root of 142504636 is about 522.3276276412.

Adding to 142504636 its reverse (636405241), we get a palindrome (778909877).

The spelling of 142504636 in words is "one hundred forty-two million, five hundred four thousand, six hundred thirty-six".