245772860 has 24 divisors (see below), whose sum is σ = 528713136. Its totient is φ = 95911040.

The previous prime is 245772811. The next prime is 245772869. The reversal of 245772860 is 68277542.

245772860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245772869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149042 + ... + 150681.

It is an arithmetic number, because the mean of its divisors is an integer number (22029714).

Almost surely, 2^245772860 is an apocalyptic number.

245772860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245772860 is an abundant number, since it is smaller than the sum of its proper divisors (282940276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245772860 is a wasteful number, since it uses less digits than its factorization.

245772860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299773 (or 299771 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 245772860 is about 15677.1445104011. The cubic root of 245772860 is about 626.3897480036.

The spelling of 245772860 in words is "two hundred forty-five million, seven hundred seventy-two thousand, eight hundred sixty".