313442245 has 8 divisors (see below), whose sum is σ = 376317720. Its totient is φ = 250629120.

The previous prime is 313442231. The next prime is 313442273. The reversal of 313442245 is 542244313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9253764 + 304188481 = 3042^2 + 17441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-313442245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700 + ... + 25309.

It is an arithmetic number, because the mean of its divisors is an integer number (47039715).

Almost surely, 2^313442245 is an apocalyptic number.

It is an amenable number.

313442245 is a deficient number, since it is larger than the sum of its proper divisors (62875475).

313442245 is a wasteful number, since it uses less digits than its factorization.

313442245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31175.

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

The square root of 313442245 is about 17704.3001838536. The cubic root of 313442245 is about 679.2857588509.

Adding to 313442245 its reverse (542244313), we get a palindrome (855686558).

The spelling of 313442245 in words is "three hundred thirteen million, four hundred forty-two thousand, two hundred forty-five".