344445453 has 24 divisors (see below), whose sum is σ = 562869216. Its totient is φ = 208753200.

The previous prime is 344445443. The next prime is 344445457. The reversal of 344445453 is 354544443.

It is not a de Polignac number, because 344445453 - 2⁵ = 344445421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344445457) 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 23 ways as a sum of consecutive naturals, for example, 61758 + ... + 67103.

It is an arithmetic number, because the mean of its divisors is an integer number (23452884).

Almost surely, 2^344445453 is an apocalyptic number.

344445453 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

344445453 is a deficient number, since it is larger than the sum of its proper divisors (218423763).

344445453 is a wasteful number, since it uses less digits than its factorization.

344445453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128887 (or 128875 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 344445453 is about 18559.2417140356. The cubic root of 344445453 is about 700.9819233259.

Adding to 344445453 its reverse (354544443), we get a palindrome (698989896).

The spelling of 344445453 in words is "three hundred forty-four million, four hundred forty-five thousand, four hundred fifty-three".