345274472543 has 48 divisors (see below), whose sum is σ = 473403579264. Its totient is φ = 247538773440.

The previous prime is 345274472539. The next prime is 345274472563.

345274472543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345274472543 - 2² = 345274472539 is a prime.

It is a super-2 number, since 2×345274472543² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345274472491 and 345274472500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345274472563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2070896 + ... + 2231402.

It is an arithmetic number, because the mean of its divisors is an integer number (9862574568).

Almost surely, 2^345274472543 is an apocalyptic number.

345274472543 is a deficient number, since it is larger than the sum of its proper divisors (128129106721).

345274472543 is a wasteful number, since it uses less digits than its factorization.

345274472543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160852 (or 160845 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 50.

The spelling of 345274472543 in words is "three hundred forty-five billion, two hundred seventy-four million, four hundred seventy-two thousand, five hundred forty-three".