142272003 has 4 divisors (see below), whose sum is σ = 189696008. Its totient is φ = 94848000.

The previous prime is 142271971. The next prime is 142272007. The reversal of 142272003 is 300272241.

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

It is not a de Polignac number, because 142272003 - 2⁵ = 142271971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142272007) 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, 23711998 + ... + 23712003.

It is an arithmetic number, because the mean of its divisors is an integer number (47424002).

Almost surely, 2^142272003 is an apocalyptic number.

142272003 is a deficient number, since it is larger than the sum of its proper divisors (47424005).

142272003 is an equidigital number, since it uses as much as digits as its factorization.

142272003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47424004.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 142272003 is about 11927.7828199544. The cubic root of 142272003 is about 522.0432466629.

The spelling of 142272003 in words is "one hundred forty-two million, two hundred seventy-two thousand, three".