142223133 has 24 divisors (see below), whose sum is σ = 211987200. Its totient is φ = 84689280.

The previous prime is 142223093. The next prime is 142223141. The reversal of 142223133 is 331322241.

142223133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142223133 - 2⁶ = 142223069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142223183) 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, 11193 + ... + 20241.

It is an arithmetic number, because the mean of its divisors is an integer number (8832800).

Almost surely, 2^142223133 is an apocalyptic number.

142223133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142223133 is a deficient number, since it is larger than the sum of its proper divisors (69764067).

142223133 is a wasteful number, since it uses less digits than its factorization.

142223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109 (or 9096 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 142223133 is about 11925.7340654569. The cubic root of 142223133 is about 521.9834663955.

Adding to 142223133 its reverse (331322241), we get a palindrome (473545374).

The spelling of 142223133 in words is "one hundred forty-two million, two hundred twenty-three thousand, one hundred thirty-three".