345522225543 has 24 divisors (see below), whose sum is σ = 507272333568. Its totient is φ = 209040546000.

The previous prime is 345522225493. The next prime is 345522225551.

345522225543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345522225543 - 2⁶ = 345522225479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345522225495 and 345522225504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345522225553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 626223 + ... + 1040768.

It is an arithmetic number, because the mean of its divisors is an integer number (21136347232).

Almost surely, 2^345522225543 is an apocalyptic number.

345522225543 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345522225543 is a deficient number, since it is larger than the sum of its proper divisors (161750108025).

345522225543 is a wasteful number, since it uses less digits than its factorization.

345522225543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667587 (or 1667576 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 42.

The spelling of 345522225543 in words is "three hundred forty-five billion, five hundred twenty-two million, two hundred twenty-five thousand, five hundred forty-three".