345455611 has 4 divisors (see below), whose sum is σ = 345969592. Its totient is φ = 344941632.

The previous prime is 345455603. The next prime is 345455629. The reversal of 345455611 is 116554543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116554543 = 7 ⋅16650649.

It is a cyclic number.

It is not a de Polignac number, because 345455611 - 2³ = 345455603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345455641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255981 + ... + 257326.

It is an arithmetic number, because the mean of its divisors is an integer number (86492398).

Almost surely, 2^345455611 is an apocalyptic number.

345455611 is a deficient number, since it is larger than the sum of its proper divisors (513981).

345455611 is an equidigital number, since it uses as much as digits as its factorization.

345455611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513980.

The product of its digits is 36000, while the sum is 34.

The square root of 345455611 is about 18586.4362103121. The cubic root of 345455611 is about 701.6665130027. Note that the first 3 decimals are identical.

The spelling of 345455611 in words is "three hundred forty-five million, four hundred fifty-five thousand, six hundred eleven".