142333442 has 16 divisors (see below), whose sum is σ = 217107000. Its totient is φ = 69974400.

The previous prime is 142333423. The next prime is 142333459. The reversal of 142333442 is 244333241.

It can be written as a sum of positive squares in 4 ways, for example, as 91795561 + 50537881 = 9581^2 + 7109^2 .

It is an unprimeable number.

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, 27734 + ... + 32462.

Almost surely, 2^142333442 is an apocalyptic number.

142333442 is a deficient number, since it is larger than the sum of its proper divisors (74773558).

142333442 is a wasteful number, since it uses less digits than its factorization.

142333442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981.

The product of its digits is 6912, while the sum is 26.

The square root of 142333442 is about 11930.3579996578. The cubic root of 142333442 is about 522.1183825494.

Adding to 142333442 its reverse (244333241), we get a palindrome (386666683).

The spelling of 142333442 in words is "one hundred forty-two million, three hundred thirty-three thousand, four hundred forty-two".