142033312 has 12 divisors (see below), whose sum is σ = 279628146. Its totient is φ = 71016640.

The previous prime is 142033301. The next prime is 142033313. The reversal of 142033312 is 213330241.

It can be written as a sum of positive squares in only one way, i.e., 140280336 + 1752976 = 11844^2 + 1324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142033312.

It is not an unprimeable number, because it can be changed into a prime (142033313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2219239 + ... + 2219302.

Almost surely, 2^142033312 is an apocalyptic number.

It is an amenable number.

142033312 is a deficient number, since it is larger than the sum of its proper divisors (137594834).

142033312 is an equidigital number, since it uses as much as digits as its factorization.

142033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438551 (or 4438543 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 142033312 is about 11917.7729463185. The cubic root of 142033312 is about 521.7511377172.

Adding to 142033312 its reverse (213330241), we get a palindrome (355363553).

The spelling of 142033312 in words is "one hundred forty-two million, thirty-three thousand, three hundred twelve".