345434342 has 16 divisors (see below), whose sum is σ = 570856464. Its totient is φ = 155460000.

The previous prime is 345434317. The next prime is 345434347. The reversal of 345434342 is 243434543.

It is a junction number, because it is equal to n+sod(n) for n = 345434299 and 345434308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345434347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75509 + ... + 79952.

It is an arithmetic number, because the mean of its divisors is an integer number (35678529).

Almost surely, 2^345434342 is an apocalyptic number.

345434342 is a deficient number, since it is larger than the sum of its proper divisors (225422122).

345434342 is a wasteful number, since it uses less digits than its factorization.

345434342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155575.

The product of its digits is 69120, while the sum is 32.

The square root of 345434342 is about 18585.8640369502. The cubic root of 345434342 is about 701.6521126467.

Adding to 345434342 its reverse (243434543), we get a palindrome (588868885).

The spelling of 345434342 in words is "three hundred forty-five million, four hundred thirty-four thousand, three hundred forty-two".