142450220436 has 24 divisors (see below), whose sum is σ = 332713295040. Its totient is φ = 47436342912.

The previous prime is 142450220417. The next prime is 142450220449. The reversal of 142450220436 is 634022054241.

It is a junction number, because it is equal to n+sod(n) for n = 142450220397 and 142450220406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5870376 + ... + 5894591.

It is an arithmetic number, because the mean of its divisors is an integer number (13863053960).

Almost surely, 2^142450220436 is an apocalyptic number.

It is an amenable number.

142450220436 is an abundant number, since it is smaller than the sum of its proper divisors (190263074604).

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

142450220436 is a wasteful number, since it uses less digits than its factorization.

142450220436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11765983 (or 11765981 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 142450220436 its reverse (634022054241), we get a palindrome (776472274677).

The spelling of 142450220436 in words is "one hundred forty-two billion, four hundred fifty million, two hundred twenty thousand, four hundred thirty-six".