345405063 has 4 divisors (see below), whose sum is σ = 460540088. Its totient is φ = 230270040.

The previous prime is 345405043. The next prime is 345405077. The reversal of 345405063 is 360504543.

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

It is not a de Polignac number, because 345405063 - 2¹⁷ = 345273991 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 345405063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345405013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57567508 + ... + 57567513.

It is an arithmetic number, because the mean of its divisors is an integer number (115135022).

Almost surely, 2^345405063 is an apocalyptic number.

345405063 is a deficient number, since it is larger than the sum of its proper divisors (115135025).

345405063 is a wasteful number, since it uses less digits than its factorization.

345405063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115135024.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 345405063 is about 18585.0763517399. The cubic root of 345405063 is about 701.6322880856.

The spelling of 345405063 in words is "three hundred forty-five million, four hundred five thousand, sixty-three".