146220342 has 16 divisors (see below), whose sum is σ = 292657152. Its totient is φ = 48704040.

The previous prime is 146220323. The next prime is 146220379. The reversal of 146220342 is 243022641.

146220342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 543 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (18291072).

Almost surely, 2^146220342 is an apocalyptic number.

146220342 is an abundant number, since it is smaller than the sum of its proper divisors (146436810).

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

146220342 is a wasteful number, since it uses less digits than its factorization.

146220342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18043.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 146220342 is about 12092.1603528898. The cubic root of 146220342 is about 526.8285048938.

Adding to 146220342 its reverse (243022641), we get a palindrome (389242983).

The spelling of 146220342 in words is "one hundred forty-six million, two hundred twenty thousand, three hundred forty-two".