245400004 has 12 divisors (see below), whose sum is σ = 430178364. Its totient is φ = 122491904.

The previous prime is 245399993. The next prime is 245400013. The reversal of 245400004 is 400004542.

It can be written as a sum of positive squares in 2 ways, for example, as 113379904 + 132020100 = 10648^2 + 11490^2 .

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, 49357 + ... + 54100.

It is an arithmetic number, because the mean of its divisors is an integer number (35848197).

Almost surely, 2^245400004 is an apocalyptic number.

It is an amenable number.

245400004 is a deficient number, since it is larger than the sum of its proper divisors (184778360).

245400004 is a wasteful number, since it uses less digits than its factorization.

245400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104054 (or 104052 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 245400004 is about 15665.2482904038. The cubic root of 245400004 is about 626.0728274922.

Adding to 245400004 its reverse (400004542), we get a palindrome (645404546).

The spelling of 245400004 in words is "two hundred forty-five million, four hundred thousand, four".