421445341 has 8 divisors (see below), whose sum is σ = 435276800. Its totient is φ = 407628720.

The previous prime is 421445267. The next prime is 421445357. The reversal of 421445341 is 143544124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421445341 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 (421442341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105580 + ... + 109498.

It is an arithmetic number, because the mean of its divisors is an integer number (54409600).

Almost surely, 2^421445341 is an apocalyptic number.

It is an amenable number.

421445341 is a deficient number, since it is larger than the sum of its proper divisors (13831459).

421445341 is a wasteful number, since it uses less digits than its factorization.

421445341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7419.

The product of its digits is 7680, while the sum is 28.

The square root of 421445341 is about 20529.1339564045. The cubic root of 421445341 is about 749.7453007735.

Adding to 421445341 its reverse (143544124), we get a palindrome (564989465).

The spelling of 421445341 in words is "four hundred twenty-one million, four hundred forty-five thousand, three hundred forty-one".