142403003 has 2 divisors, whose sum is σ = 142403004. Its totient is φ = 142403002.

The previous prime is 142402993. The next prime is 142403029. The reversal of 142403003 is 300304241.

It is a weak prime.

It is an emirp because it is prime and its reverse (300304241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142403003 - 2⁴ = 142402987 is a prime.

It is not a weakly prime, because it can be changed into another prime (142403903) by changing a digit.

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 as a sum of consecutive naturals, namely, 71201501 + 71201502.

It is an arithmetic number, because the mean of its divisors is an integer number (71201502).

Almost surely, 2^142403003 is an apocalyptic number.

142403003 is a deficient number, since it is larger than the sum of its proper divisors (1).

142403003 is an equidigital number, since it uses as much as digits as its factorization.

142403003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 142403003 is about 11933.2729374636. The cubic root of 142403003 is about 522.2034250180.

Adding to 142403003 its reverse (300304241), we get a palindrome (442707244).

The spelling of 142403003 in words is "one hundred forty-two million, four hundred three thousand, three".