345054928 has 10 divisors (see below), whose sum is σ = 668543954. Its totient is φ = 172527456.

The previous prime is 345054923. The next prime is 345054929. The reversal of 345054928 is 829450543.

It can be written as a sum of positive squares in only one way, i.e., 277289104 + 67765824 = 16652^2 + 8232^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345054923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10782951 + ... + 10782982.

Almost surely, 2^345054928 is an apocalyptic number.

It is an amenable number.

345054928 is a deficient number, since it is larger than the sum of its proper divisors (323489026).

345054928 is a wasteful number, since it uses less digits than its factorization.

345054928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21565941 (or 21565935 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 345054928 is about 18575.6541742142. The cubic root of 345054928 is about 701.3951278117.

The spelling of 345054928 in words is "three hundred forty-five million, fifty-four thousand, nine hundred twenty-eight".