345452643642 has 16 divisors (see below), whose sum is σ = 698668269120. Its totient is φ = 113857050912.

The previous prime is 345452643637. The next prime is 345452643659. The reversal of 345452643642 is 246346254543.

It is a junction number, because it is equal to n+sod(n) for n = 345452643591 and 345452643600.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 323456998 + ... + 323458065.

It is an arithmetic number, because the mean of its divisors is an integer number (43666766820).

Almost surely, 2^345452643642 is an apocalyptic number.

345452643642 is an abundant number, since it is smaller than the sum of its proper divisors (353215625478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345452643642 is a wasteful number, since it uses less digits than its factorization.

345452643642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646915157.

The product of its digits is 8294400, while the sum is 48.

The spelling of 345452643642 in words is "three hundred forty-five billion, four hundred fifty-two million, six hundred forty-three thousand, six hundred forty-two".