345137683 has 4 divisors (see below), whose sum is σ = 376513848. Its totient is φ = 313761520.

The previous prime is 345137647. The next prime is 345137693. The reversal of 345137683 is 386731543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386731543 = 11 ⋅35157413.

It is a cyclic number.

It is not a de Polignac number, because 345137683 - 2⁹ = 345137171 is a prime.

It is a super-3 number, since 3×345137683³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345137623) 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, 15688066 + ... + 15688087.

It is an arithmetic number, because the mean of its divisors is an integer number (94128462).

Almost surely, 2^345137683 is an apocalyptic number.

345137683 is a deficient number, since it is larger than the sum of its proper divisors (31376165).

345137683 is a wasteful number, since it uses less digits than its factorization.

345137683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31376164.

The product of its digits is 181440, while the sum is 40.

The square root of 345137683 is about 18577.8815530727. The cubic root of 345137683 is about 701.4511955171.

The spelling of 345137683 in words is "three hundred forty-five million, one hundred thirty-seven thousand, six hundred eighty-three".