142544003 has 8 divisors (see below), whose sum is σ = 166881120. Its totient is φ = 119200320.

The previous prime is 142543991. The next prime is 142544021. The reversal of 142544003 is 300445241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142544003 - 2¹² = 142539907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142544003.

It is not an unprimeable number, because it can be changed into a prime (142544093) 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 7 ways as a sum of consecutive naturals, for example, 248048 + ... + 248621.

It is an arithmetic number, because the mean of its divisors is an integer number (20860140).

Almost surely, 2^142544003 is an apocalyptic number.

142544003 is a deficient number, since it is larger than the sum of its proper divisors (24337117).

142544003 is an equidigital number, since it uses as much as digits as its factorization.

142544003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496717.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142544003 is about 11939.1793269052. The cubic root of 142544003 is about 522.3757209972.

Adding to 142544003 its reverse (300445241), we get a palindrome (442989244).

The spelling of 142544003 in words is "one hundred forty-two million, five hundred forty-four thousand, three".