345442442 has 8 divisors (see below), whose sum is σ = 518243232. Its totient is φ = 172694700.

The previous prime is 345442441. The next prime is 345442453. The reversal of 345442442 is 244244543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 345442399 and 345442408.

It is not an unprimeable number, because it can be changed into a prime (345442441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15467 + ... + 30497.

It is an arithmetic number, because the mean of its divisors is an integer number (64780404).

Almost surely, 2^345442442 is an apocalyptic number.

345442442 is a deficient number, since it is larger than the sum of its proper divisors (172800790).

345442442 is a wasteful number, since it uses less digits than its factorization.

345442442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26524.

The product of its digits is 61440, while the sum is 32.

The square root of 345442442 is about 18586.0819432176. The cubic root of 345442442 is about 701.6575968897.

Adding to 345442442 its reverse (244244543), we get a palindrome (589686985).

The spelling of 345442442 in words is "three hundred forty-five million, four hundred forty-two thousand, four hundred forty-two".