245771804 has 6 divisors (see below), whose sum is σ = 430100664. Its totient is φ = 122885900.

The previous prime is 245771791. The next prime is 245771807. The reversal of 245771804 is 408177542.

245771804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245771807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30721472 + ... + 30721479.

It is an arithmetic number, because the mean of its divisors is an integer number (71683444).

Almost surely, 2^245771804 is an apocalyptic number.

It is an amenable number.

245771804 is a deficient number, since it is larger than the sum of its proper divisors (184328860).

245771804 is a wasteful number, since it uses less digits than its factorization.

245771804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61442955 (or 61442953 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 245771804 is about 15677.1108307622. The cubic root of 245771804 is about 626.3888508765.

The spelling of 245771804 in words is "two hundred forty-five million, seven hundred seventy-one thousand, eight hundred four".