142200420 has 24 divisors (see below), whose sum is σ = 398161344. Its totient is φ = 37920096.

The previous prime is 142200407. The next prime is 142200437. The reversal of 142200420 is 24002241.

142200420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 142200420.

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, 1184944 + ... + 1185063.

It is an arithmetic number, because the mean of its divisors is an integer number (16590056).

Almost surely, 2^142200420 is an apocalyptic number.

142200420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142200420 is an abundant number, since it is smaller than the sum of its proper divisors (255960924).

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

142200420 is a wasteful number, since it uses less digits than its factorization.

142200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370019 (or 2370017 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 142200420 is about 11924.7817590093. The cubic root of 142200420 is about 521.9556780383.

Adding to 142200420 its reverse (24002241), we get a palindrome (166202661).

The spelling of 142200420 in words is "one hundred forty-two million, two hundred thousand, four hundred twenty".