343303145 has 16 divisors (see below), whose sum is σ = 425875968. Its totient is φ = 265393920.

The previous prime is 343303139. The next prime is 343303183. The reversal of 343303145 is 541303343.

It is a happy number.

It is not a de Polignac number, because 343303145 - 2¹⁰ = 343302121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150302 + ... + 152568.

It is an arithmetic number, because the mean of its divisors is an integer number (26617248).

Almost surely, 2^343303145 is an apocalyptic number.

It is an amenable number.

343303145 is a deficient number, since it is larger than the sum of its proper divisors (82572823).

343303145 is a wasteful number, since it uses less digits than its factorization.

343303145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 343303145 is about 18528.4415156807. The cubic root of 343303145 is about 700.2061603652.

Adding to 343303145 its reverse (541303343), we get a palindrome (884606488).

The spelling of 343303145 in words is "three hundred forty-three million, three hundred three thousand, one hundred forty-five".