345303544 has 16 divisors (see below), whose sum is σ = 668329920. Its totient is φ = 167082240.

The previous prime is 345303481. The next prime is 345303559. The reversal of 345303544 is 445303543.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695929 + ... + 696424.

It is an arithmetic number, because the mean of its divisors is an integer number (41770620).

Almost surely, 2^345303544 is an apocalyptic number.

It is an amenable number.

345303544 is a deficient number, since it is larger than the sum of its proper divisors (323026376).

345303544 is a wasteful number, since it uses less digits than its factorization.

345303544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392390 (or 1392386 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 345303544 is about 18582.3449542839. The cubic root of 345303544 is about 701.5635417590.

Subtracting 345303544 from its reverse (445303543), we obtain a palindrome (99999999).

The spelling of 345303544 in words is "three hundred forty-five million, three hundred three thousand, five hundred forty-four".