344545443 has 72 divisors (see below), whose sum is σ = 596048544. Its totient is φ = 190840320.

The previous prime is 344545387. The next prime is 344545447.

344545443 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 344545443 - 2⁶ = 344545379 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 344545398 and 344545407.

It is not an unprimeable number, because it can be changed into a prime (344545447) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 684730 + ... + 685232.

It is an arithmetic number, because the mean of its divisors is an integer number (8278452).

Almost surely, 2^344545443 is an apocalyptic number.

344545443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

344545443 is a deficient number, since it is larger than the sum of its proper divisors (251503101).

344545443 is a wasteful number, since it uses less digits than its factorization.

344545443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 571 counting only the distinct ones).

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

The square root of 344545443 is about 18561.9353247446. The cubic root of 344545443 is about 701.0497467415.

The spelling of 344545443 in words is "three hundred forty-four million, five hundred forty-five thousand, four hundred forty-three".