345040401 has 4 divisors (see below), whose sum is σ = 460053872. Its totient is φ = 230026932.

The previous prime is 345040393. The next prime is 345040417. The reversal of 345040401 is 104040543.

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 not a de Polignac number, because 345040401 - 2³ = 345040393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345040601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57506731 + ... + 57506736.

It is an arithmetic number, because the mean of its divisors is an integer number (115013468).

Almost surely, 2^345040401 is an apocalyptic number.

It is an amenable number.

345040401 is a deficient number, since it is larger than the sum of its proper divisors (115013471).

345040401 is a wasteful number, since it uses less digits than its factorization.

345040401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115013470.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 345040401 is about 18575.2631475304. The cubic root of 345040401 is about 701.3852846348.

Adding to 345040401 its reverse (104040543), we get a palindrome (449080944).

The spelling of 345040401 in words is "three hundred forty-five million, forty thousand, four hundred one".