142500434 has 8 divisors (see below), whose sum is σ = 214523148. Its totient is φ = 70992720.

The previous prime is 142500427. The next prime is 142500467. The reversal of 142500434 is 434005241.

It can be written as a sum of positive squares in 2 ways, for example, as 141681409 + 819025 = 11903^2 + 905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128057 + ... + 129164.

Almost surely, 2^142500434 is an apocalyptic number.

142500434 is a deficient number, since it is larger than the sum of its proper divisors (72022714).

142500434 is a wasteful number, since it uses less digits than its factorization.

142500434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257500.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142500434 is about 11937.3545645591. The cubic root of 142500434 is about 522.3224936743.

Adding to 142500434 its reverse (434005241), we get a palindrome (576505675).

The spelling of 142500434 in words is "one hundred forty-two million, five hundred thousand, four hundred thirty-four".