142603688 has 8 divisors (see below), whose sum is σ = 267381930. Its totient is φ = 71301840.

The previous prime is 142603673. The next prime is 142603709. The reversal of 142603688 is 886306241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 88698724 + 53904964 = 9418^2 + 7342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8912723 + ... + 8912738.

Almost surely, 2^142603688 is an apocalyptic number.

It is an amenable number.

142603688 is a deficient number, since it is larger than the sum of its proper divisors (124778242).

142603688 is a wasteful number, since it uses less digits than its factorization.

142603688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17825467 (or 17825463 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 142603688 is about 11941.6786089729. The cubic root of 142603688 is about 522.4486192923.

The spelling of 142603688 in words is "one hundred forty-two million, six hundred three thousand, six hundred eighty-eight".