142224304 has 10 divisors (see below), whose sum is σ = 275559620. Its totient is φ = 71112144.

The previous prime is 142224283. The next prime is 142224307. The reversal of 142224304 is 403422241.

It is a happy number.

142224304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142224307) 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, 4444494 + ... + 4444525.

It is an arithmetic number, because the mean of its divisors is an integer number (27555962).

Almost surely, 2^142224304 is an apocalyptic number.

It is an amenable number.

142224304 is a deficient number, since it is larger than the sum of its proper divisors (133335316).

142224304 is an equidigital number, since it uses as much as digits as its factorization.

142224304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8889027 (or 8889021 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142224304 is about 11925.7831608662. The cubic root of 142224304 is about 521.9848989823.

Adding to 142224304 its reverse (403422241), we get a palindrome (545646545).

The spelling of 142224304 in words is "one hundred forty-two million, two hundred twenty-four thousand, three hundred four".