345765419945 has 16 divisors (see below), whose sum is σ = 452955222720. Its totient is φ = 251289729600.

The previous prime is 345765419941. The next prime is 345765419959. The reversal of 345765419945 is 549914567543.

It is not a de Polignac number, because 345765419945 - 2² = 345765419941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345765419941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121071 + ... + 2278260.

It is an arithmetic number, because the mean of its divisors is an integer number (28309701420).

Almost surely, 2^345765419945 is an apocalyptic number.

It is an amenable number.

345765419945 is a deficient number, since it is larger than the sum of its proper divisors (107189802775).

345765419945 is a wasteful number, since it uses less digits than its factorization.

345765419945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400776.

The product of its digits is 81648000, while the sum is 62.

The spelling of 345765419945 in words is "three hundred forty-five billion, seven hundred sixty-five million, four hundred nineteen thousand, nine hundred forty-five".