314278345 has 4 divisors (see below), whose sum is σ = 377134020. Its totient is φ = 251422672.

The previous prime is 314278343. The next prime is 314278369. The reversal of 314278345 is 543872413.

It is a happy number.

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 235192896 + 79085449 = 15336^2 + 8893^2 .

It is a cyclic number.

It is not a de Polignac number, because 314278345 - 2¹ = 314278343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (314278343) 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, 31427830 + ... + 31427839.

It is an arithmetic number, because the mean of its divisors is an integer number (94283505).

Almost surely, 2^314278345 is an apocalyptic number.

It is an amenable number.

314278345 is a deficient number, since it is larger than the sum of its proper divisors (62855675).

314278345 is an equidigital number, since it uses as much as digits as its factorization.

314278345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62855674.

The product of its digits is 80640, while the sum is 37.

The square root of 314278345 is about 17727.8973654520. The cubic root of 314278345 is about 679.8892156604.

The spelling of 314278345 in words is "three hundred fourteen million, two hundred seventy-eight thousand, three hundred forty-five".