345233021504 has 28 divisors (see below), whose sum is σ = 782939174784. Its totient is φ = 147957009024.

The previous prime is 345233021503. The next prime is 345233021509. The reversal of 345233021504 is 405120332543.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (345233021503) 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 3 ways as a sum of consecutive naturals, for example, 385304264 + ... + 385305159.

Almost surely, 2^345233021504 is an apocalyptic number.

It is an amenable number.

345233021504 is an abundant number, since it is smaller than the sum of its proper divisors (437706153280).

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

345233021504 is an equidigital number, since it uses as much as digits as its factorization.

345233021504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770609442 (or 770609432 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 345233021504 in words is "three hundred forty-five billion, two hundred thirty-three million, twenty-one thousand, five hundred four".