142864003 has 4 divisors (see below), whose sum is σ = 142889368. Its totient is φ = 142838640.

The previous prime is 142863977. The next prime is 142864019. The reversal of 142864003 is 300468241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142864003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142864093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 16903.

It is an arithmetic number, because the mean of its divisors is an integer number (35722342).

Almost surely, 2^142864003 is an apocalyptic number.

142864003 is a deficient number, since it is larger than the sum of its proper divisors (25365).

142864003 is an equidigital number, since it uses as much as digits as its factorization.

142864003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25364.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 142864003 is about 11952.5730702640. The cubic root of 142864003 is about 522.7663262274.

The spelling of 142864003 in words is "one hundred forty-two million, eight hundred sixty-four thousand, three".