314305445 has 4 divisors (see below), whose sum is σ = 377166540. Its totient is φ = 251444352.

The previous prime is 314305421. The next prime is 314305471. The reversal of 314305445 is 544503413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544503413 = 47 ⋅11585179.

It can be written as a sum of positive squares in 2 ways, for example, as 239413729 + 74891716 = 15473^2 + 8654^2 .

It is a cyclic number.

It is not a de Polignac number, because 314305445 - 2¹² = 314301349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31430540 + ... + 31430549.

It is an arithmetic number, because the mean of its divisors is an integer number (94291635).

Almost surely, 2^314305445 is an apocalyptic number.

It is an amenable number.

314305445 is a deficient number, since it is larger than the sum of its proper divisors (62861095).

314305445 is an equidigital number, since it uses as much as digits as its factorization.

314305445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62861094.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 314305445 is about 17728.6616810181. The cubic root of 314305445 is about 679.9087572212.

Adding to 314305445 its reverse (544503413), we get a palindrome (858808858).

The spelling of 314305445 in words is "three hundred fourteen million, three hundred five thousand, four hundred forty-five".