143442234 has 48 divisors (see below), whose sum is σ = 336058632. Its totient is φ = 43956864.

The previous prime is 143442227. The next prime is 143442251. The reversal of 143442234 is 432244341.

It is a happy number.

143442234 is a `hidden beast` number, since 1 + 434 + 4 + 223 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 119968209 + 23474025 = 10953^2 + 4845^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143442198 and 143442207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63712 + ... + 65924.

Almost surely, 2^143442234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143442234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168029316).

143442234 is an abundant number, since it is smaller than the sum of its proper divisors (192616398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143442234 is a wasteful number, since it uses less digits than its factorization.

143442234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2508 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 143442234 is about 11976.7372017591. The cubic root of 143442234 is about 523.4706622530.

Adding to 143442234 its reverse (432244341), we get a palindrome (575686575).

The spelling of 143442234 in words is "one hundred forty-three million, four hundred forty-two thousand, two hundred thirty-four".