142240210 has 32 divisors (see below), whose sum is σ = 300522240. Its totient is φ = 47449152.

The previous prime is 142240201. The next prime is 142240223. The reversal of 142240210 is 12042241.

142240210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24870 + ... + 30049.

It is an arithmetic number, because the mean of its divisors is an integer number (9391320).

Almost surely, 2^142240210 is an apocalyptic number.

142240210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142240210 is an abundant number, since it is smaller than the sum of its proper divisors (158282030).

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

142240210 is a wasteful number, since it uses less digits than its factorization.

142240210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54970.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 142240210 is about 11926.4500166646. The cubic root of 142240210 is about 522.0043574060.

Adding to 142240210 its reverse (12042241), we get a palindrome (154282451).

The spelling of 142240210 in words is "one hundred forty-two million, two hundred forty thousand, two hundred ten".