345445445 has 8 divisors (see below), whose sum is σ = 424175136. Its totient is φ = 269929296.

The previous prime is 345445439. The next prime is 345445453. The reversal of 345445445 is 544544543.

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 345445445 - 2¹⁴ = 345429061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345445399 and 345445408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803147 + ... + 803576.

It is an arithmetic number, because the mean of its divisors is an integer number (53021892).

Almost surely, 2^345445445 is an apocalyptic number.

It is an amenable number.

345445445 is a deficient number, since it is larger than the sum of its proper divisors (78729691).

345445445 is a wasteful number, since it uses less digits than its factorization.

345445445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606771.

The product of its digits is 384000, while the sum is 38.

The square root of 345445445 is about 18586.1627292995. The cubic root of 345445445 is about 701.6596301003.

Adding to 345445445 its reverse (544544543), we get a palindrome (889989988).

The spelling of 345445445 in words is "three hundred forty-five million, four hundred forty-five thousand, four hundred forty-five".