142203422 has 16 divisors (see below), whose sum is σ = 214938144. Its totient is φ = 70560000.

The previous prime is 142203409. The next prime is 142203427. The reversal of 142203422 is 224302241.

It is a junction number, because it is equal to n+sod(n) for n = 142203394 and 142203403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142203427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225047 + ... + 225677.

It is an arithmetic number, because the mean of its divisors is an integer number (13433634).

Almost surely, 2^142203422 is an apocalyptic number.

142203422 is a deficient number, since it is larger than the sum of its proper divisors (72734722).

142203422 is a wasteful number, since it uses less digits than its factorization.

142203422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

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

The square root of 142203422 is about 11924.9076306695. The cubic root of 142203422 is about 521.9593510231.

Adding to 142203422 its reverse (224302241), we get a palindrome (366505663).

The spelling of 142203422 in words is "one hundred forty-two million, two hundred three thousand, four hundred twenty-two".