345134437 has 4 divisors (see below), whose sum is σ = 349862380. Its totient is φ = 340406496.

The previous prime is 345134429. The next prime is 345134441. The reversal of 345134437 is 734431543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 247401441 + 97732996 = 15729^2 + 9886^2 .

It is a cyclic number.

It is not a de Polignac number, because 345134437 - 2³ = 345134429 is a prime.

It is a super-3 number, since 3×345134437³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345134477) 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 3 ways as a sum of consecutive naturals, for example, 2363862 + ... + 2364007.

It is an arithmetic number, because the mean of its divisors is an integer number (87465595).

Almost surely, 2^345134437 is an apocalyptic number.

It is an amenable number.

345134437 is a deficient number, since it is larger than the sum of its proper divisors (4727943).

345134437 is an equidigital number, since it uses as much as digits as its factorization.

345134437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727942.

The product of its digits is 60480, while the sum is 34.

The square root of 345134437 is about 18577.7941909151. The cubic root of 345134437 is about 701.4489964742.

The spelling of 345134437 in words is "three hundred forty-five million, one hundred thirty-four thousand, four hundred thirty-seven".