142172227240232 has 32 divisors (see below), whose sum is σ = 304661171568000. Its totient is φ = 60929674749504.

The previous prime is 142172227240189. The next prime is 142172227240237. The reversal of 142172227240232 is 232042722271241.

It is a self number, because there is not a number n which added to its sum of digits gives 142172227240232.

It is not an unprimeable number, because it can be changed into a prime (142172227240237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23969732 + ... + 29306867.

It is an arithmetic number, because the mean of its divisors is an integer number (9520661611500).

Almost surely, 2^{142172227240232} is an apocalyptic number.

It is an amenable number.

142172227240232 is an abundant number, since it is smaller than the sum of its proper divisors (162488944327768).

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

142172227240232 is a wasteful number, since it uses less digits than its factorization.

142172227240232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53324265 (or 53324261 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 41.

The spelling of 142172227240232 in words is "one hundred forty-two trillion, one hundred seventy-two billion, two hundred twenty-seven million, two hundred forty thousand, two hundred thirty-two".