142530703 has 16 divisors (see below), whose sum is σ = 173850624. Its totient is φ = 114065280.

The previous prime is 142530691. The next prime is 142530749. The reversal of 142530703 is 307035241.

It is a de Polignac number, because none of the positive numbers 2^k-142530703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142530203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10398 + ... + 19828.

It is an arithmetic number, because the mean of its divisors is an integer number (10865664).

Almost surely, 2^142530703 is an apocalyptic number.

142530703 is a deficient number, since it is larger than the sum of its proper divisors (31319921).

142530703 is a wasteful number, since it uses less digits than its factorization.

142530703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 142530703 is about 11938.6223242047. The cubic root of 142530703 is about 522.3594738196.

Adding to 142530703 its reverse (307035241), we get a palindrome (449565944).

The spelling of 142530703 in words is "one hundred forty-two million, five hundred thirty thousand, seven hundred three".