245316442 has 24 divisors (see below), whose sum is σ = 428714100. Its totient is φ = 104973120.

The previous prime is 245316373. The next prime is 245316451. The reversal of 245316442 is 244613542.

245316442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 217533001 + 27783441 = 14749^2 + 5271^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78934 + ... + 81982.

Almost surely, 2^245316442 is an apocalyptic number.

245316442 is a deficient number, since it is larger than the sum of its proper divisors (183397658).

245316442 is a wasteful number, since it uses less digits than its factorization.

245316442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886 (or 3879 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 245316442 is about 15662.5809495115. The cubic root of 245316442 is about 626.0017573537.

Adding to 245316442 its reverse (244613542), we get a palindrome (489929984).

The spelling of 245316442 in words is "two hundred forty-five million, three hundred sixteen thousand, four hundred forty-two".