142223234 has 8 divisors (see below), whose sum is σ = 213472908. Its totient is φ = 71065600.

The previous prime is 142223201. The next prime is 142223261. The reversal of 142223234 is 432322241.

142223234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141729025 + 494209 = 11905^2 + 703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×142223234³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19007 + ... + 25410.

Almost surely, 2^142223234 is an apocalyptic number.

142223234 is a deficient number, since it is larger than the sum of its proper divisors (71249674).

142223234 is a wasteful number, since it uses less digits than its factorization.

142223234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46020.

The product of its digits is 2304, while the sum is 23.

The square root of 142223234 is about 11925.7382999964. The cubic root of 142223234 is about 521.9835899579.

Adding to 142223234 its reverse (432322241), we get a palindrome (574545475).

The spelling of 142223234 in words is "one hundred forty-two million, two hundred twenty-three thousand, two hundred thirty-four".