345756345 has 16 divisors (see below), whose sum is σ = 603502272. Its totient is φ = 167639360.

The previous prime is 345756283. The next prime is 345756347. The reversal of 345756345 is 543657543.

It is not a de Polignac number, because 345756345 - 2¹⁰ = 345755321 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 345756297 and 345756306.

It is not an unprimeable number, because it can be changed into a prime (345756347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047582 + ... + 1047911.

It is an arithmetic number, because the mean of its divisors is an integer number (37718892).

Almost surely, 2^345756345 is an apocalyptic number.

It is an amenable number.

345756345 is a deficient number, since it is larger than the sum of its proper divisors (257745927).

345756345 is a wasteful number, since it uses less digits than its factorization.

345756345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095512.

The product of its digits is 756000, while the sum is 42.

The square root of 345756345 is about 18594.5245973109. The cubic root of 345756345 is about 701.8700642622.

The spelling of 345756345 in words is "three hundred forty-five million, seven hundred fifty-six thousand, three hundred forty-five".