343142245 has 4 divisors (see below), whose sum is σ = 411770700. Its totient is φ = 274513792.

The previous prime is 343142209. The next prime is 343142249. The reversal of 343142245 is 542241343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542241343 = 7 ⋅77463049.

It can be written as a sum of positive squares in 2 ways, for example, as 171034084 + 172108161 = 13078^2 + 13119^2 .

It is a cyclic number.

It is not a de Polignac number, because 343142245 - 2¹⁵ = 343109477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343142249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34314220 + ... + 34314229.

It is an arithmetic number, because the mean of its divisors is an integer number (102942675).

Almost surely, 2^343142245 is an apocalyptic number.

It is an amenable number.

343142245 is a deficient number, since it is larger than the sum of its proper divisors (68628455).

343142245 is an equidigital number, since it uses as much as digits as its factorization.

343142245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68628454.

The product of its digits is 11520, while the sum is 28.

The square root of 343142245 is about 18524.0990334213. The cubic root of 343142245 is about 700.0967519327.

Adding to 343142245 its reverse (542241343), we get a palindrome (885383588).

The spelling of 343142245 in words is "three hundred forty-three million, one hundred forty-two thousand, two hundred forty-five".