1530142303 has 2 divisors, whose sum is σ = 1530142304. Its totient is φ = 1530142302.

The previous prime is 1530142301. The next prime is 1530142319. The reversal of 1530142303 is 3032410351.

It is a weak prime.

It is an emirp because it is prime and its reverse (3032410351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1530142303 - 2¹ = 1530142301 is a prime.

Together with 1530142301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530142301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765071151 + 765071152.

It is an arithmetic number, because the mean of its divisors is an integer number (765071152).

Almost surely, 2^1530142303 is an apocalyptic number.

1530142303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530142303 is an equidigital number, since it uses as much as digits as its factorization.

1530142303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1530142303 is about 39117.0334125685. The cubic root of 1530142303 is about 1152.3310758231.

Adding to 1530142303 its reverse (3032410351), we get a palindrome (4562552654).

The spelling of 1530142303 in words is "one billion, five hundred thirty million, one hundred forty-two thousand, three hundred three".