142603434 has 12 divisors (see below), whose sum is σ = 308974146. Its totient is φ = 47534472.

The previous prime is 142603399. The next prime is 142603457. The reversal of 142603434 is 434306241.

142603434 is a `hidden beast` number, since 14 + 2 + 603 + 43 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 126225225 + 16378209 = 11235^2 + 4047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142603398 and 142603407.

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 in 5 ways as a sum of consecutive naturals, for example, 3961189 + ... + 3961224.

Almost surely, 2^142603434 is an apocalyptic number.

142603434 is an abundant number, since it is smaller than the sum of its proper divisors (166370712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142603434 is a wasteful number, since it uses less digits than its factorization.

142603434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922421 (or 7922418 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 142603434 is about 11941.6679739474. The cubic root of 142603434 is about 522.4483091039.

Adding to 142603434 its reverse (434306241), we get a palindrome (576909675).

The spelling of 142603434 in words is "one hundred forty-two million, six hundred three thousand, four hundred thirty-four".