345385042 has 8 divisors (see below), whose sum is σ = 518924556. Its totient is φ = 172410192.

The previous prime is 345385031. The next prime is 345385049. The reversal of 345385042 is 240583543.

345385042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 341547361 + 3837681 = 18481^2 + 1959^2 .

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 = 345384989 and 345385007.

It is not an unprimeable number, because it can be changed into a prime (345385049) 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, 139633 + ... + 142084.

Almost surely, 2^345385042 is an apocalyptic number.

345385042 is a deficient number, since it is larger than the sum of its proper divisors (173539514).

345385042 is a wasteful number, since it uses less digits than its factorization.

345385042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282332.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 345385042 is about 18584.5377128407. The cubic root of 345385042 is about 701.6187313923.

The spelling of 345385042 in words is "three hundred forty-five million, three hundred eighty-five thousand, forty-two".