142223204 has 6 divisors (see below), whose sum is σ = 248890614. Its totient is φ = 71111600.

The previous prime is 142223201. The next prime is 142223261. The reversal of 142223204 is 402322241.

It can be written as a sum of positive squares in only one way, i.e., 109160704 + 33062500 = 10448^2 + 5750^2 .

It is not an unprimeable number, because it can be changed into a prime (142223201) 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 as a sum of consecutive naturals, namely, 17777897 + ... + 17777904.

It is an arithmetic number, because the mean of its divisors is an integer number (41481769).

Almost surely, 2^142223204 is an apocalyptic number.

It is an amenable number.

142223204 is a deficient number, since it is larger than the sum of its proper divisors (106667410).

142223204 is a wasteful number, since it uses less digits than its factorization.

142223204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35555805 (or 35555803 counting only the distinct ones).

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

The square root of 142223204 is about 11925.7370422125. The cubic root of 142223204 is about 521.9835532562.

Adding to 142223204 its reverse (402322241), we get a palindrome (544545445).

The spelling of 142223204 in words is "one hundred forty-two million, two hundred twenty-three thousand, two hundred four".