345222543 has 16 divisors (see below), whose sum is σ = 473371776. Its totient is φ = 223627680.

The previous prime is 345222529. The next prime is 345222547.

345222543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345222543 - 2¹⁰ = 345221519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345222543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345222547) 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, 106180 + ... + 109382.

It is an arithmetic number, because the mean of its divisors is an integer number (29585736).

Almost surely, 2^345222543 is an apocalyptic number.

345222543 is a deficient number, since it is larger than the sum of its proper divisors (128149233).

345222543 is a wasteful number, since it uses less digits than its factorization.

345222543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214.

The product of its digits is 28800, while the sum is 30.

The square root of 345222543 is about 18580.1653114282. The cubic root of 345222543 is about 701.5086800839.

The spelling of 345222543 in words is "three hundred forty-five million, two hundred twenty-two thousand, five hundred forty-three".