345140421441 has 16 divisors (see below), whose sum is σ = 487113811200. Its totient is φ = 216765633168.

The previous prime is 345140421433. The next prime is 345140421443. The reversal of 345140421441 is 144124041543.

It is not a de Polignac number, because 345140421441 - 2³ = 345140421433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345140421443) 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 15 ways as a sum of consecutive naturals, for example, 16903471 + ... + 16923876.

It is an arithmetic number, because the mean of its divisors is an integer number (30444613200).

Almost surely, 2^345140421441 is an apocalyptic number.

It is an amenable number.

345140421441 is a deficient number, since it is larger than the sum of its proper divisors (141973389759).

345140421441 is a wasteful number, since it uses less digits than its factorization.

345140421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33827548.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 345140421441 its reverse (144124041543), we get a palindrome (489264462984).

The spelling of 345140421441 in words is "three hundred forty-five billion, one hundred forty million, four hundred twenty-one thousand, four hundred forty-one".