345120355052 has 24 divisors (see below), whose sum is σ = 697622965200. Its totient is φ = 147645071360.

The previous prime is 345120355039. The next prime is 345120355057. The reversal of 345120355052 is 250553021543.

It is a super-4 number, since 4×345120355052⁴ (a number of 47 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (345120355057) 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 7 ways as a sum of consecutive naturals, for example, 230694677 + ... + 230696172.

It is an arithmetic number, because the mean of its divisors is an integer number (29067623550).

Almost surely, 2^345120355052 is an apocalyptic number.

It is an amenable number.

345120355052 is an abundant number, since it is smaller than the sum of its proper divisors (352502610148).

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

345120355052 is a wasteful number, since it uses less digits than its factorization.

345120355052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461390881 (or 461390879 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 345120355052 its reverse (250553021543), we get a palindrome (595673376595).

The spelling of 345120355052 in words is "three hundred forty-five billion, one hundred twenty million, three hundred fifty-five thousand, fifty-two".