345001441 has 4 divisors (see below), whose sum is σ = 345422484. Its totient is φ = 344580400.

The previous prime is 345001439. The next prime is 345001457. The reversal of 345001441 is 144100543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53582400 + 291419041 = 7320^2 + 17071^2 .

It is a cyclic number.

It is not a de Polignac number, because 345001441 - 2¹ = 345001439 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345001471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209290 + ... + 210931.

It is an arithmetic number, because the mean of its divisors is an integer number (86355621).

Almost surely, 2^345001441 is an apocalyptic number.

It is an amenable number.

345001441 is a deficient number, since it is larger than the sum of its proper divisors (421043).

345001441 is an equidigital number, since it uses as much as digits as its factorization.

345001441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421042.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 345001441 is about 18574.2144113822. The cubic root of 345001441 is about 701.3588848286.

Adding to 345001441 its reverse (144100543), we get a palindrome (489101984).

The spelling of 345001441 in words is "three hundred forty-five million, one thousand, four hundred forty-one".