142304620 has 48 divisors (see below), whose sum is σ = 317405088. Its totient is φ = 53406720.

The previous prime is 142304593. The next prime is 142304633. The reversal of 142304620 is 26403241.

It is a happy number.

142304620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142304591 and 142304600.

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, 193774 + ... + 194506.

It is an arithmetic number, because the mean of its divisors is an integer number (6612606).

Almost surely, 2^142304620 is an apocalyptic number.

142304620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142304620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158702544).

142304620 is an abundant number, since it is smaller than the sum of its proper divisors (175100468).

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

142304620 is a wasteful number, since it uses less digits than its factorization.

142304620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142304620 is about 11929.1500116312. The cubic root of 142304620 is about 522.0831378177.

Adding to 142304620 its reverse (26403241), we get a palindrome (168707861).

The spelling of 142304620 in words is "one hundred forty-two million, three hundred four thousand, six hundred twenty".