345266641 has 4 divisors (see below), whose sum is σ = 348322212. Its totient is φ = 342211072.

The previous prime is 345266633. The next prime is 345266671. The reversal of 345266641 is 146662543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58675600 + 286591041 = 7660^2 + 16929^2 .

It is a cyclic number.

It is not a de Polignac number, because 345266641 - 2³ = 345266633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345266641.

It is not an unprimeable number, because it can be changed into a prime (345266671) by changing a digit.

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, 1527616 + ... + 1527841.

It is an arithmetic number, because the mean of its divisors is an integer number (87080553).

Almost surely, 2^345266641 is an apocalyptic number.

It is an amenable number.

345266641 is a deficient number, since it is larger than the sum of its proper divisors (3055571).

345266641 is a wasteful number, since it uses less digits than its factorization.

345266641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055570.

The product of its digits is 103680, while the sum is 37.

The square root of 345266641 is about 18581.3519691114. The cubic root of 345266641 is about 701.5385485589.

The spelling of 345266641 in words is "three hundred forty-five million, two hundred sixty-six thousand, six hundred forty-one".