142440203322 has 16 divisors (see below), whose sum is σ = 316533785280. Its totient is φ = 47480067756.

The previous prime is 142440203303. The next prime is 142440203363. The reversal of 142440203322 is 223302044241.

142440203322 is a `hidden beast` number, since 1 + 424 + 4 + 0 + 203 + 32 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1318890718 + ... + 1318890825.

It is an arithmetic number, because the mean of its divisors is an integer number (19783361580).

Almost surely, 2^142440203322 is an apocalyptic number.

142440203322 is an abundant number, since it is smaller than the sum of its proper divisors (174093581958).

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

142440203322 is a wasteful number, since it uses less digits than its factorization.

142440203322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637781554 (or 2637781548 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 142440203322 its reverse (223302044241), we get a palindrome (365742247563).

The spelling of 142440203322 in words is "one hundred forty-two billion, four hundred forty million, two hundred three thousand, three hundred twenty-two".