142564003 has 2 divisors, whose sum is σ = 142564004. Its totient is φ = 142564002.

The previous prime is 142563991. The next prime is 142564033. The reversal of 142564003 is 300465241.

It is a weak prime.

It is an emirp because it is prime and its reverse (300465241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142564003 is a prime.

It is not a weakly prime, because it can be changed into another prime (142564033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71282001 + 71282002.

It is an arithmetic number, because the mean of its divisors is an integer number (71282002).

Almost surely, 2^142564003 is an apocalyptic number.

142564003 is a deficient number, since it is larger than the sum of its proper divisors (1).

142564003 is an equidigital number, since it uses as much as digits as its factorization.

142564003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 142564003 is about 11940.0168760350. The cubic root of 142564003 is about 522.4001509407.

The spelling of 142564003 in words is "one hundred forty-two million, five hundred sixty-four thousand, three".