345400456 has 16 divisors (see below), whose sum is σ = 654903900. Its totient is φ = 170759424.

The previous prime is 345400379. The next prime is 345400457. The reversal of 345400456 is 654004543.

It can be written as a sum of positive squares in 2 ways, for example, as 248692900 + 96707556 = 15770^2 + 9834^2 .

It is not an unprimeable number, because it can be changed into a prime (345400457) 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 3 ways as a sum of consecutive naturals, for example, 241845 + ... + 243268.

Almost surely, 2^345400456 is an apocalyptic number.

It is an amenable number.

345400456 is a deficient number, since it is larger than the sum of its proper divisors (309503444).

345400456 is a wasteful number, since it uses less digits than its factorization.

345400456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485208 (or 485204 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 345400456 is about 18584.9524077949. The cubic root of 345400456 is about 701.6291686232.

Adding to 345400456 its reverse (654004543), we get a palindrome (999404999).

The spelling of 345400456 in words is "three hundred forty-five million, four hundred thousand, four hundred fifty-six".