340545345 has 48 divisors (see below), whose sum is σ = 644656320. Its totient is φ = 153019776.

The previous prime is 340545329. The next prime is 340545353. The reversal of 340545345 is 543545043.

It is not a de Polignac number, because 340545345 - 2⁴ = 340545329 is a prime.

It is a super-2 number, since 2×340545345² = 231942264002338050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39439 + ... + 47291.

It is an arithmetic number, because the mean of its divisors is an integer number (13430340).

Almost surely, 2^340545345 is an apocalyptic number.

340545345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340545345 is a deficient number, since it is larger than the sum of its proper divisors (304110975).

340545345 is a wasteful number, since it uses less digits than its factorization.

340545345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934 (or 7927 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

The square root of 340545345 is about 18453.8707321797. The cubic root of 340545345 is about 698.3261674061.

The spelling of 340545345 in words is "three hundred forty million, five hundred forty-five thousand, three hundred forty-five".