345141421 has 8 divisors (see below), whose sum is σ = 349116800. Its totient is φ = 341188848.

The previous prime is 345141413. The next prime is 345141443. The reversal of 345141421 is 124141543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345141421 - 2³ = 345141413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345141451) 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 7 ways as a sum of consecutive naturals, for example, 25720 + ... + 36766.

It is an arithmetic number, because the mean of its divisors is an integer number (43639600).

Almost surely, 2^345141421 is an apocalyptic number.

It is an amenable number.

345141421 is a deficient number, since it is larger than the sum of its proper divisors (3975379).

345141421 is a wasteful number, since it uses less digits than its factorization.

345141421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11403.

The product of its digits is 1920, while the sum is 25.

The square root of 345141421 is about 18577.9821563054. The cubic root of 345141421 is about 701.4537278544.

Adding to 345141421 its reverse (124141543), we get a palindrome (469282964).

The spelling of 345141421 in words is "three hundred forty-five million, one hundred forty-one thousand, four hundred twenty-one".