345077 has 4 divisors (see below), whose sum is σ = 350796. Its totient is φ = 339360.

The previous prime is 345067. The next prime is 345089. The reversal of 345077 is 770543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770543 = 103 ⋅7481.

It can be written as a sum of positive squares in 2 ways, for example, as 21316 + 323761 = 146^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 345077 - 2⁸ = 344821 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345077.

It is not an unprimeable number, because it can be changed into a prime (345017) 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, 2768 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (87699).

2³⁴⁵⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

345077 is a deficient number, since it is larger than the sum of its proper divisors (5719).

345077 is an equidigital number, since it uses as much as digits as its factorization.

345077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 345077 is about 587.4325493195. The cubic root of 345077 is about 70.1410082786.

The spelling of 345077 in words is "three hundred forty-five thousand, seventy-seven".