345311444 has 12 divisors (see below), whose sum is σ = 617152704. Its totient is φ = 168982104.

The previous prime is 345311437. The next prime is 345311459. The reversal of 345311444 is 444113543.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918194 + ... + 918569.

It is an arithmetic number, because the mean of its divisors is an integer number (51429392).

Almost surely, 2^345311444 is an apocalyptic number.

It is an amenable number.

345311444 is a deficient number, since it is larger than the sum of its proper divisors (271841260).

345311444 is a wasteful number, since it uses less digits than its factorization.

345311444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836814 (or 1836812 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 345311444 is about 18582.5575204276. The cubic root of 345311444 is about 701.5688919403.

Adding to 345311444 its reverse (444113543), we get a palindrome (789424987).

The spelling of 345311444 in words is "three hundred forty-five million, three hundred eleven thousand, four hundred forty-four".