142234441 has 8 divisors (see below), whose sum is σ = 144391464. Its totient is φ = 140083200.

The previous prime is 142234423. The next prime is 142234447. The reversal of 142234441 is 144432241.

It can be written as a sum of positive squares in 4 ways, for example, as 60512841 + 81721600 = 7779^2 + 9040^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142234441 - 2⁵ = 142234409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142234447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88041 + ... + 89641.

It is an arithmetic number, because the mean of its divisors is an integer number (18048933).

Almost surely, 2^142234441 is an apocalyptic number.

It is an amenable number.

142234441 is a deficient number, since it is larger than the sum of its proper divisors (2157023).

142234441 is a wasteful number, since it uses less digits than its factorization.

142234441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its digits is 3072, while the sum is 25.

The square root of 142234441 is about 11926.2081568284. The cubic root of 142234441 is about 521.9973001333.

Adding to 142234441 its reverse (144432241), we get a palindrome (286666682).

The spelling of 142234441 in words is "one hundred forty-two million, two hundred thirty-four thousand, four hundred forty-one".