142235212 has 12 divisors (see below), whose sum is σ = 284470480. Its totient is φ = 60957936.

The previous prime is 142235189. The next prime is 142235213. The reversal of 142235212 is 212532241.

It is a happy number.

142235212 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (142235213) 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 3 ways as a sum of consecutive naturals, for example, 2539887 + ... + 2539942.

Almost surely, 2^142235212 is an apocalyptic number.

It is an amenable number.

142235212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142235212 is a wasteful number, since it uses less digits than its factorization.

142235212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079840 (or 5079838 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 142235212 is about 11926.2404805538. The cubic root of 142235212 is about 521.9982433160.

Adding to 142235212 its reverse (212532241), we get a palindrome (354767453).

The spelling of 142235212 in words is "one hundred forty-two million, two hundred thirty-five thousand, two hundred twelve".