345515505402 has 32 divisors (see below), whose sum is σ = 698894982720. Its totient is φ = 113867711360.

The previous prime is 345515505383. The next prime is 345515505403. The reversal of 345515505402 is 204505515543.

It is not an unprimeable number, because it can be changed into a prime (345515505403) 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, 605643 + ... + 1028510.

It is an arithmetic number, because the mean of its divisors is an integer number (21840468210).

Almost surely, 2^345515505402 is an apocalyptic number.

345515505402 is an abundant number, since it is smaller than the sum of its proper divisors (353379477318).

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

345515505402 is a wasteful number, since it uses less digits than its factorization.

345515505402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634558.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 345515505402 in words is "three hundred forty-five billion, five hundred fifteen million, five hundred five thousand, four hundred two".