142430503 has 4 divisors (see below), whose sum is σ = 143840808. Its totient is φ = 141020200.

The previous prime is 142430489. The next prime is 142430507. The reversal of 142430503 is 305034241.

142430503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142430503 - 2²⁵ = 108876071 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 (142430507) 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, 705001 + ... + 705202.

It is an arithmetic number, because the mean of its divisors is an integer number (35960202).

Almost surely, 2^142430503 is an apocalyptic number.

142430503 is a deficient number, since it is larger than the sum of its proper divisors (1410305).

142430503 is a wasteful number, since it uses less digits than its factorization.

142430503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410304.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 142430503 is about 11934.4251223090. The cubic root of 142430503 is about 522.2370377686.

Adding to 142430503 its reverse (305034241), we get a palindrome (447464744).

The spelling of 142430503 in words is "one hundred forty-two million, four hundred thirty thousand, five hundred three".