345444001 has 4 divisors (see below), whose sum is σ = 394793152. Its totient is φ = 296094852.

The previous prime is 345443963. The next prime is 345444007. The reversal of 345444001 is 100444543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345444001 - 2⁷ = 345443873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345444007) 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 3 ways as a sum of consecutive naturals, for example, 24674565 + ... + 24674578.

It is an arithmetic number, because the mean of its divisors is an integer number (98698288).

Almost surely, 2^345444001 is an apocalyptic number.

It is an amenable number.

345444001 is a deficient number, since it is larger than the sum of its proper divisors (49349151).

345444001 is an equidigital number, since it uses as much as digits as its factorization.

345444001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49349150.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 345444001 is about 18586.1238831554. The cubic root of 345444001 is about 701.6586524274.

Adding to 345444001 its reverse (100444543), we get a palindrome (445888544).

The spelling of 345444001 in words is "three hundred forty-five million, four hundred forty-four thousand, one".