345134403 has 12 divisors (see below), whose sum is σ = 500616480. Its totient is φ = 229125456.

The previous prime is 345134399. The next prime is 345134429. The reversal of 345134403 is 304431543.

It is not a de Polignac number, because 345134403 - 2² = 345134399 is a prime.

It is a super-3 number, since 3×345134403³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (345134453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78076 + ... + 82377.

It is an arithmetic number, because the mean of its divisors is an integer number (41718040).

Almost surely, 2^345134403 is an apocalyptic number.

345134403 is a deficient number, since it is larger than the sum of its proper divisors (155482077).

345134403 is a wasteful number, since it uses less digits than its factorization.

345134403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160698 (or 160695 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 345134403 is about 18577.7932758441. The cubic root of 345134403 is about 701.4489734404.

Adding to 345134403 its reverse (304431543), we get a palindrome (649565946).

The spelling of 345134403 in words is "three hundred forty-five million, one hundred thirty-four thousand, four hundred three".