345555173180 has 24 divisors (see below), whose sum is σ = 829332415968. Its totient is φ = 118476059328.

The previous prime is 345555173129. The next prime is 345555173191. The reversal of 345555173180 is 81371555543.

It is a super-2 number, since 2×345555173180² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234125479 + ... + 1234125758.

It is an arithmetic number, because the mean of its divisors is an integer number (34555517332).

Almost surely, 2^345555173180 is an apocalyptic number.

It is an amenable number.

345555173180 is an abundant number, since it is smaller than the sum of its proper divisors (483777242788).

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

345555173180 is a wasteful number, since it uses less digits than its factorization.

345555173180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468251253 (or 2468251251 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 345555173180 in words is "three hundred forty-five billion, five hundred fifty-five million, one hundred seventy-three thousand, one hundred eighty".