142301322 has 48 divisors (see below), whose sum is σ = 340666560. Its totient is φ = 42700416.

The previous prime is 142301321. The next prime is 142301329. The reversal of 142301322 is 223103241.

142301322 is a `hidden beast` number, since 1 + 42 + 301 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142301295 and 142301304.

It is not an unprimeable number, because it can be changed into a prime (142301321) 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 23 ways as a sum of consecutive naturals, for example, 3072 + ... + 17147.

It is an arithmetic number, because the mean of its divisors is an integer number (7097220).

Almost surely, 2^142301322 is an apocalyptic number.

142301322 is an abundant number, since it is smaller than the sum of its proper divisors (198365238).

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

142301322 is a wasteful number, since it uses less digits than its factorization.

142301322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20267 (or 20264 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142301322 is about 11929.0117780141. The cubic root of 142301322 is about 522.0791045838.

Adding to 142301322 its reverse (223103241), we get a palindrome (365404563).

The spelling of 142301322 in words is "one hundred forty-two million, three hundred one thousand, three hundred twenty-two".