345161228 has 24 divisors (see below), whose sum is σ = 623887488. Its totient is φ = 166997376.

The previous prime is 345161221. The next prime is 345161231. The reversal of 345161228 is 822161543.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 345161194 and 345161203.

It is not an unprimeable number, because it can be changed into a prime (345161221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4325 + ... + 26627.

It is an arithmetic number, because the mean of its divisors is an integer number (25995312).

Almost surely, 2^345161228 is an apocalyptic number.

It is an amenable number.

345161228 is a deficient number, since it is larger than the sum of its proper divisors (278726260).

345161228 is a wasteful number, since it uses less digits than its factorization.

345161228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22433 (or 22431 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 345161228 is about 18578.5152259270. The cubic root of 345161228 is about 701.4671459563.

The spelling of 345161228 in words is "three hundred forty-five million, one hundred sixty-one thousand, two hundred twenty-eight".