345106642 has 8 divisors (see below), whose sum is σ = 517909500. Its totient is φ = 172470144.

The previous prime is 345106639. The next prime is 345106673. The reversal of 345106642 is 246601543.

It can be written as a sum of positive squares in 2 ways, for example, as 303491241 + 41615401 = 17421^2 + 6451^2 .

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

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, 36267 + ... + 44782.

Almost surely, 2^345106642 is an apocalyptic number.

345106642 is a deficient number, since it is larger than the sum of its proper divisors (172802858).

345106642 is a wasteful number, since it uses less digits than its factorization.

345106642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83180.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 345106642 is about 18577.0461053419. The cubic root of 345106642 is about 701.4301658426.

The spelling of 345106642 in words is "three hundred forty-five million, one hundred six thousand, six hundred forty-two".