142223032446 has 32 divisors (see below), whose sum is σ = 311302607616. Its totient is φ = 42959304000.

The previous prime is 142223032429. The next prime is 142223032453. The reversal of 142223032446 is 644230322241.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3443935 + ... + 3484986.

It is an arithmetic number, because the mean of its divisors is an integer number (9728206488).

Almost surely, 2^142223032446 is an apocalyptic number.

142223032446 is an abundant number, since it is smaller than the sum of its proper divisors (169079575170).

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

142223032446 is a wasteful number, since it uses less digits than its factorization.

142223032446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929248.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 142223032446 its reverse (644230322241), we get a palindrome (786453354687).

The spelling of 142223032446 in words is "one hundred forty-two billion, two hundred twenty-three million, thirty-two thousand, four hundred forty-six".