345818499 has 16 divisors (see below), whose sum is σ = 496915104. Its totient is φ = 212659200.

The previous prime is 345818497. The next prime is 345818503. The reversal of 345818499 is 994818543.

It is not a de Polignac number, because 345818499 - 2¹ = 345818497 is a prime.

It is a super-2 number, since 2×345818499² = 239180868501226002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345818491) by changing a digit.

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, 79029 + ... + 83289.

It is an arithmetic number, because the mean of its divisors is an integer number (31057194).

Almost surely, 2^345818499 is an apocalyptic number.

345818499 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

345818499 is a deficient number, since it is larger than the sum of its proper divisors (151096605).

345818499 is a wasteful number, since it uses less digits than its factorization.

345818499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358.

The product of its digits is 1244160, while the sum is 51.

The square root of 345818499 is about 18596.1958206511. The cubic root of 345818499 is about 701.9121183646.

The spelling of 345818499 in words is "three hundred forty-five million, eight hundred eighteen thousand, four hundred ninety-nine".