142422203 has 24 divisors (see below), whose sum is σ = 180092640. Its totient is φ = 110246400.

The previous prime is 142422191. The next prime is 142422223. The reversal of 142422203 is 302224241.

It is not a de Polignac number, because 142422203 - 2¹⁴ = 142405819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142422223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152843 + ... + 153771.

It is an arithmetic number, because the mean of its divisors is an integer number (7503860).

Almost surely, 2^142422203 is an apocalyptic number.

142422203 is a deficient number, since it is larger than the sum of its proper divisors (37670437).

142422203 is a wasteful number, since it uses less digits than its factorization.

142422203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142422203 is about 11934.0773836941. The cubic root of 142422203 is about 522.2268932852.

Adding to 142422203 its reverse (302224241), we get a palindrome (444646444).

The spelling of 142422203 in words is "one hundred forty-two million, four hundred twenty-two thousand, two hundred three".