345786455 has 16 divisors (see below), whose sum is σ = 474647040. Its totient is φ = 236897952.

The previous prime is 345786373. The next prime is 345786461. The reversal of 345786455 is 554687543.

It is a cyclic number.

It is not a de Polignac number, because 345786455 - 2²⁰ = 344737879 is a prime.

It is a super-2 number, since 2×345786455² = 239136544922934050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41966 + ... + 49524.

It is an arithmetic number, because the mean of its divisors is an integer number (29665440).

Almost surely, 2^345786455 is an apocalyptic number.

345786455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

345786455 is a deficient number, since it is larger than the sum of its proper divisors (128860585).

345786455 is a wasteful number, since it uses less digits than its factorization.

345786455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8878.

The product of its digits is 2016000, while the sum is 47.

The square root of 345786455 is about 18595.3342266279. The cubic root of 345786455 is about 701.8904376595.

The spelling of 345786455 in words is "three hundred forty-five million, seven hundred eighty-six thousand, four hundred fifty-five".