142223134 has 8 divisors (see below), whose sum is σ = 220691160. Its totient is φ = 68659416.

The previous prime is 142223093. The next prime is 142223141. The reversal of 142223134 is 431322241.

142223134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent 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, 1226004 + ... + 1226119.

It is an arithmetic number, because the mean of its divisors is an integer number (27586395).

Almost surely, 2^142223134 is an apocalyptic number.

142223134 is a deficient number, since it is larger than the sum of its proper divisors (78468026).

142223134 is a wasteful number, since it uses less digits than its factorization.

142223134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452154.

The product of its digits is 1152, while the sum is 22.

The square root of 142223134 is about 11925.7341073831. The cubic root of 142223134 is about 521.9834676189.

Adding to 142223134 its reverse (431322241), we get a palindrome (573545375).

The spelling of 142223134 in words is "one hundred forty-two million, two hundred twenty-three thousand, one hundred thirty-four".