142133216 has 12 divisors (see below), whose sum is σ = 279824832. Its totient is φ = 71066592.

The previous prime is 142133203. The next prime is 142133219. The reversal of 142133216 is 612331241.

It is a junction number, because it is equal to n+sod(n) for n = 142133191 and 142133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142133219) 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, 2220800 + ... + 2220863.

It is an arithmetic number, because the mean of its divisors is an integer number (23318736).

Almost surely, 2^142133216 is an apocalyptic number.

142133216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142133216 is a deficient number, since it is larger than the sum of its proper divisors (137691616).

142133216 is an equidigital number, since it uses as much as digits as its factorization.

142133216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441673 (or 4441665 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 142133216 is about 11921.9635966564. The cubic root of 142133216 is about 521.8734395641.

Adding to 142133216 its reverse (612331241), we get a palindrome (754464457).

The spelling of 142133216 in words is "one hundred forty-two million, one hundred thirty-three thousand, two hundred sixteen".