142565303220 has 48 divisors (see below), whose sum is σ = 399346391808. Its totient is φ = 38001838720.

The previous prime is 142565303201. The next prime is 142565303227. The reversal of 142565303220 is 22303565241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142565303227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338691 + ... + 632330.

It is an arithmetic number, because the mean of its divisors is an integer number (8319716496).

Almost surely, 2^142565303220 is an apocalyptic number.

142565303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142565303220 is an abundant number, since it is smaller than the sum of its proper divisors (256781088588).

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

142565303220 is a wasteful number, since it uses less digits than its factorization.

142565303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973480 (or 973478 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 142565303220 its reverse (22303565241), we get a palindrome (164868868461).

The spelling of 142565303220 in words is "one hundred forty-two billion, five hundred sixty-five million, three hundred three thousand, two hundred twenty".