142422003 has 16 divisors (see below), whose sum is σ = 220170240. Its totient is φ = 90819432.

The previous prime is 142421999. The next prime is 142422011. The reversal of 142422003 is 300224241.

It is not a de Polignac number, because 142422003 - 2² = 142421999 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (142422013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114051 + ... + 115292.

It is an arithmetic number, because the mean of its divisors is an integer number (13760640).

Almost surely, 2^142422003 is an apocalyptic number.

142422003 is a deficient number, since it is larger than the sum of its proper divisors (77748237).

142422003 is a wasteful number, since it uses less digits than its factorization.

142422003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229375 (or 229369 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142422003 is about 11934.0690043254. The cubic root of 142422003 is about 522.2266488349.

Adding to 142422003 its reverse (300224241), we get a palindrome (442646244).

The spelling of 142422003 in words is "one hundred forty-two million, four hundred twenty-two thousand, three".