142232812 has 12 divisors (see below), whose sum is σ = 263549160. Its totient is φ = 66933056.

The previous prime is 142232747. The next prime is 142232819. The reversal of 142232812 is 218232241.

142232812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142232819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045762 + ... + 1045897.

It is an arithmetic number, because the mean of its divisors is an integer number (21962430).

Almost surely, 2^142232812 is an apocalyptic number.

It is an amenable number.

142232812 is a deficient number, since it is larger than the sum of its proper divisors (121316348).

142232812 is a wasteful number, since it uses less digits than its factorization.

142232812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091680 (or 2091678 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 142232812 is about 11926.1398616652. The cubic root of 142232812 is about 521.9953073275.

The spelling of 142232812 in words is "one hundred forty-two million, two hundred thirty-two thousand, eight hundred twelve".