345461761 has 4 divisors (see below), whose sum is σ = 347215572. Its totient is φ = 343707952.

The previous prime is 345461759. The next prime is 345461801. The reversal of 345461761 is 167164543.

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 339701761 + 5760000 = 18431^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 345461761 - 2¹ = 345461759 is a prime.

It is a super-2 number, since 2×345461761² = 238687656626442242, which contains 22 as substring.

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 345461761.

It is not an unprimeable number, because it can be changed into a prime (345461731) 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, 876610 + ... + 877003.

It is an arithmetic number, because the mean of its divisors is an integer number (86803893).

Almost surely, 2^345461761 is an apocalyptic number.

It is an amenable number.

345461761 is a deficient number, since it is larger than the sum of its proper divisors (1753811).

345461761 is a wasteful number, since it uses less digits than its factorization.

345461761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753810.

The product of its digits is 60480, while the sum is 37.

The square root of 345461761 is about 18586.6016528036. The cubic root of 345461761 is about 701.6706768019.

The spelling of 345461761 in words is "three hundred forty-five million, four hundred sixty-one thousand, seven hundred sixty-one".