345504445 has 24 divisors (see below), whose sum is σ = 489778272. Its totient is φ = 231940800.

The previous prime is 345504433. The next prime is 345504449. The reversal of 345504445 is 544405543.

It is not a de Polignac number, because 345504445 - 2⁷ = 345504317 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345504445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345504449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9291 + ... + 27880.

It is an arithmetic number, because the mean of its divisors is an integer number (20407428).

Almost surely, 2^345504445 is an apocalyptic number.

It is an amenable number.

345504445 is a deficient number, since it is larger than the sum of its proper divisors (144273827).

345504445 is a wasteful number, since it uses less digits than its factorization.

345504445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37213 (or 37200 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 345504445 is about 18587.7498638216. The cubic root of 345504445 is about 701.6995742383.

Adding to 345504445 its reverse (544405543), we get a palindrome (889909988).

The spelling of 345504445 in words is "three hundred forty-five million, five hundred four thousand, four hundred forty-five".