345044512 has 24 divisors (see below), whose sum is σ = 719266716. Its totient is φ = 162373632.

The previous prime is 345044509. The next prime is 345044533. The reversal of 345044512 is 215440543.

It can be written as a sum of positive squares in 2 ways, for example, as 342842256 + 2202256 = 18516^2 + 1484^2 .

It is a super-2 number, since 2×345044512² = 238111430522636288, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 316593 + ... + 317680.

Almost surely, 2^345044512 is an apocalyptic number.

345044512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345044512 is an abundant number, since it is smaller than the sum of its proper divisors (374222204).

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

345044512 is a wasteful number, since it uses less digits than its factorization.

345044512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634300 (or 634292 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 345044512 is about 18575.3738051217. The cubic root of 345044512 is about 701.3880701864.

The spelling of 345044512 in words is "three hundred forty-five million, forty-four thousand, five hundred twelve".