345640046543 has 16 divisors (see below), whose sum is σ = 397218349440. Its totient is φ = 297447084000.

The previous prime is 345640046539. The next prime is 345640046561.

345640046543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345640046543 - 2² = 345640046539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345640046494 and 345640046503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345640046513) 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, 380633 + ... + 914418.

It is an arithmetic number, because the mean of its divisors is an integer number (24826146840).

Almost surely, 2^345640046543 is an apocalyptic number.

345640046543 is a deficient number, since it is larger than the sum of its proper divisors (51578302897).

345640046543 is a wasteful number, since it uses less digits than its factorization.

345640046543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296358.

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 345640046543 in words is "three hundred forty-five billion, six hundred forty million, forty-six thousand, five hundred forty-three".