245122804 has 6 divisors (see below), whose sum is σ = 428964914. Its totient is φ = 122561400.

The previous prime is 245122793. The next prime is 245122807. The reversal of 245122804 is 408221542.

245122804 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 only one way, i.e., 140469904 + 104652900 = 11852^2 + 10230^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245122807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30640347 + ... + 30640354.

Almost surely, 2^245122804 is an apocalyptic number.

It is an amenable number.

245122804 is a deficient number, since it is larger than the sum of its proper divisors (183842110).

245122804 is a wasteful number, since it uses less digits than its factorization.

245122804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61280705 (or 61280703 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 245122804 is about 15656.3981809355. The cubic root of 245122804 is about 625.8370046567.

The spelling of 245122804 in words is "two hundred forty-five million, one hundred twenty-two thousand, eight hundred four".