345444563 has 8 divisors (see below), whose sum is σ = 361912320. Its totient is φ = 329309640.

The previous prime is 345444553. The next prime is 345444569. The reversal of 345444563 is 365444543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345444563 - 2¹² = 345440467 is a prime.

It is a super-2 number, since 2×345444563² = 238663892212521938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345444569) 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 7 ways as a sum of consecutive naturals, for example, 81083 + ... + 85236.

It is an arithmetic number, because the mean of its divisors is an integer number (45239040).

Almost surely, 2^345444563 is an apocalyptic number.

345444563 is a deficient number, since it is larger than the sum of its proper divisors (16467757).

345444563 is a wasteful number, since it uses less digits than its factorization.

345444563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166417.

The product of its digits is 345600, while the sum is 38.

The square root of 345444563 is about 18586.1390019552. The cubic root of 345444563 is about 701.6590329348.

The spelling of 345444563 in words is "three hundred forty-five million, four hundred forty-four thousand, five hundred sixty-three".