345452643 has 12 divisors (see below), whose sum is σ = 500831968. Its totient is φ = 229450320.

The previous prime is 345452641. The next prime is 345452647. The reversal of 345452643 is 346254543.

345452643 is a `hidden beast` number, since 3 + 4 + 5 + 4 + 5 + 2 + 643 = 666.

It is not a de Polignac number, because 345452643 - 2¹ = 345452641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345452598 and 345452607.

It is not an unprimeable number, because it can be changed into a prime (345452641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68380 + ... + 73257.

Almost surely, 2^345452643 is an apocalyptic number.

345452643 is a deficient number, since it is larger than the sum of its proper divisors (155379325).

345452643 is a wasteful number, since it uses less digits than its factorization.

345452643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141914 (or 141911 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 345452643 is about 18586.3563669698. The cubic root of 345452643 is about 701.6645035287.

The spelling of 345452643 in words is "three hundred forty-five million, four hundred fifty-two thousand, six hundred forty-three".