345645834 has 16 divisors (see below), whose sum is σ = 727675680. Its totient is φ = 109151280.

The previous prime is 345645827. The next prime is 345645841. The reversal of 345645834 is 438546543.

It is an interprime number because it is at equal distance from previous prime (345645827) and next prime (345645841).

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 7 ways as a sum of consecutive naturals, for example, 1515877 + ... + 1516104.

It is an arithmetic number, because the mean of its divisors is an integer number (45479730).

Almost surely, 2^345645834 is an apocalyptic number.

345645834 is an abundant number, since it is smaller than the sum of its proper divisors (382029846).

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

345645834 is a wasteful number, since it uses less digits than its factorization.

345645834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032005.

The product of its digits is 691200, while the sum is 42.

The square root of 345645834 is about 18591.5527592506. The cubic root of 345645834 is about 701.7952788157.

The spelling of 345645834 in words is "three hundred forty-five million, six hundred forty-five thousand, eight hundred thirty-four".