342243140 has 12 divisors (see below), whose sum is σ = 718710636. Its totient is φ = 136897248.

The previous prime is 342243127. The next prime is 342243179. The reversal of 342243140 is 41342243.

It can be written as a sum of positive squares in 2 ways, for example, as 263672644 + 78570496 = 16238^2 + 8864^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8556059 + ... + 8556098.

It is an arithmetic number, because the mean of its divisors is an integer number (59892553).

Almost surely, 2^342243140 is an apocalyptic number.

It is an amenable number.

342243140 is an abundant number, since it is smaller than the sum of its proper divisors (376467496).

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

342243140 is a wasteful number, since it uses less digits than its factorization.

342243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17112166 (or 17112164 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 342243140 is about 18499.8145936655. The cubic root of 342243140 is about 699.4847500841.

Adding to 342243140 its reverse (41342243), we get a palindrome (383585383).

The spelling of 342243140 in words is "three hundred forty-two million, two hundred forty-three thousand, one hundred forty".