142330234 has 16 divisors (see below), whose sum is σ = 217116648. Its totient is φ = 69967872.

The previous prime is 142330219. The next prime is 142330249. The reversal of 142330234 is 432033241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142330219) and next prime (142330249).

It can be written as a sum of positive squares in 4 ways, for example, as 134629609 + 7700625 = 11603^2 + 2775^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28122 + ... + 32794.

Almost surely, 2^142330234 is an apocalyptic number.

142330234 is a deficient number, since it is larger than the sum of its proper divisors (74786414).

142330234 is a wasteful number, since it uses less digits than its factorization.

142330234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 142330234 is about 11930.2235519709. The cubic root of 142330234 is about 522.1144599098.

Adding to 142330234 its reverse (432033241), we get a palindrome (574363475).

The spelling of 142330234 in words is "one hundred forty-two million, three hundred thirty thousand, two hundred thirty-four".