142331003 has 4 divisors (see below), whose sum is σ = 142561560. Its totient is φ = 142100448.

The previous prime is 142330999. The next prime is 142331009. The reversal of 142331003 is 300133241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300133241 = 2969 ⋅101089.

It is a cyclic number.

It is not a de Polignac number, because 142331003 - 2² = 142330999 is a prime.

It is a super-2 number, since 2×142331003² = 40516228829972018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142331009) 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 in 3 ways as a sum of consecutive naturals, for example, 114350 + ... + 115587.

It is an arithmetic number, because the mean of its divisors is an integer number (35640390).

Almost surely, 2^142331003 is an apocalyptic number.

142331003 is a deficient number, since it is larger than the sum of its proper divisors (230557).

142331003 is an equidigital number, since it uses as much as digits as its factorization.

142331003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230556.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 142331003 is about 11930.2557809965. The cubic root of 142331003 is about 522.1154002238.

Adding to 142331003 its reverse (300133241), we get a palindrome (442464244).

The spelling of 142331003 in words is "one hundred forty-two million, three hundred thirty-one thousand, three".