345058128 has 30 divisors (see below), whose sum is σ = 965683914. Its totient is φ = 115019328.

The previous prime is 345058127. The next prime is 345058157. The reversal of 345058128 is 821850543.

It is a happy number.

345058128 is a `hidden beast` number, since 3 + 4 + 50 + 581 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 290770704 + 54287424 = 17052^2 + 7368^2 .

It is a super-2 number, since 2×345058128² = 238130223397728768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 345058092 and 345058101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345058127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1197975 + ... + 1198262.

Almost surely, 2^345058128 is an apocalyptic number.

It is an amenable number.

345058128 is an abundant number, since it is smaller than the sum of its proper divisors (620625786).

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

345058128 is a wasteful number, since it uses less digits than its factorization.

345058128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396251 (or 2396242 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 345058128 is about 18575.7403082623. The cubic root of 345058128 is about 701.3972960244.

The spelling of 345058128 in words is "three hundred forty-five million, fifty-eight thousand, one hundred twenty-eight".