343445145 has 16 divisors (see below), whose sum is σ = 552278400. Its totient is φ = 182248704.

The previous prime is 343445129. The next prime is 343445161. The reversal of 343445145 is 541544343.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (343445129) and next prime (343445161).

It is not a de Polignac number, because 343445145 - 2⁴ = 343445129 is a prime.

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, 54544 + ... + 60513.

It is an arithmetic number, because the mean of its divisors is an integer number (34517400).

Almost surely, 2^343445145 is an apocalyptic number.

It is an amenable number.

343445145 is a deficient number, since it is larger than the sum of its proper divisors (208833255).

343445145 is a wasteful number, since it uses less digits than its factorization.

343445145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115264.

The product of its digits is 57600, while the sum is 33.

The square root of 343445145 is about 18532.2730661946. The cubic root of 343445145 is about 700.3026888226.

Adding to 343445145 its reverse (541544343), we get a palindrome (884989488).

The spelling of 343445145 in words is "three hundred forty-three million, four hundred forty-five thousand, one hundred forty-five".