345544345 has 8 divisors (see below), whose sum is σ = 424296576. Its totient is φ = 270006576.

The previous prime is 345544343. The next prime is 345544357. The reversal of 345544345 is 543445543.

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 345544345 - 2¹ = 345544343 is a prime.

It is a super-2 number, since 2×345544345² = 238801788722958050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345544343) 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, 803377 + ... + 803806.

It is an arithmetic number, because the mean of its divisors is an integer number (53037072).

Almost surely, 2^345544345 is an apocalyptic number.

It is an amenable number.

345544345 is a deficient number, since it is larger than the sum of its proper divisors (78752231).

345544345 is a wasteful number, since it uses less digits than its factorization.

345544345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607231.

The product of its digits is 288000, while the sum is 37.

The square root of 345544345 is about 18588.8231203592. The cubic root of 345544345 is about 701.7265847304.

Adding to 345544345 its reverse (543445543), we get a palindrome (888989888).

The spelling of 345544345 in words is "three hundred forty-five million, five hundred forty-four thousand, three hundred forty-five".