142205320 has 32 divisors (see below), whose sum is σ = 333875520. Its totient is φ = 54408640.

The previous prime is 142205279. The next prime is 142205333. The reversal of 142205320 is 23502241.

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, 76366 + ... + 78205.

It is an arithmetic number, because the mean of its divisors is an integer number (10433610).

Almost surely, 2^142205320 is an apocalyptic number.

142205320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142205320 is an abundant number, since it is smaller than the sum of its proper divisors (191670200).

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

142205320 is a wasteful number, since it uses less digits than its factorization.

142205320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154605 (or 154601 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 142205320 is about 11924.9872117332. The cubic root of 142205320 is about 521.9616732233.

Adding to 142205320 its reverse (23502241), we get a palindrome (165707561).

The spelling of 142205320 in words is "one hundred forty-two million, two hundred five thousand, three hundred twenty".