142043212 has 24 divisors (see below), whose sum is σ = 256951296. Its totient is φ = 68665488.

The previous prime is 142043203. The next prime is 142043261. The reversal of 142043212 is 212340241.

It is a self number, because there is not a number n which added to its sum of digits gives 142043212.

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, 11053 + ... + 20155.

It is an arithmetic number, because the mean of its divisors is an integer number (10706304).

Almost surely, 2^142043212 is an apocalyptic number.

It is an amenable number.

142043212 is a deficient number, since it is larger than the sum of its proper divisors (114908084).

142043212 is a wasteful number, since it uses less digits than its factorization.

142043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237 (or 9235 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142043212 is about 11918.1882851380. The cubic root of 142043212 is about 521.7632597943.

Adding to 142043212 its reverse (212340241), we get a palindrome (354383453).

The spelling of 142043212 in words is "one hundred forty-two million, forty-three thousand, two hundred twelve".