245124004 has 6 divisors (see below), whose sum is σ = 428967014. Its totient is φ = 122562000.

The previous prime is 245123987. The next prime is 245124013. The reversal of 245124004 is 400421542.

It is a happy number.

245124004 is digitally balanced in base 2, 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 only one way, i.e., 204776100 + 40347904 = 14310^2 + 6352^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30640497 + ... + 30640504.

Almost surely, 2^245124004 is an apocalyptic number.

It is an amenable number.

245124004 is a deficient number, since it is larger than the sum of its proper divisors (183843010).

245124004 is a wasteful number, since it uses less digits than its factorization.

245124004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61281005 (or 61281003 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 245124004 is about 15656.4365038792. The cubic root of 245124004 is about 625.8380259179.

Adding to 245124004 its reverse (400421542), we get a palindrome (645545546).

The spelling of 245124004 in words is "two hundred forty-five million, one hundred twenty-four thousand, four".