245761284 has 12 divisors (see below), whose sum is σ = 573443024. Its totient is φ = 81920424.

The previous prime is 245761259. The next prime is 245761291. The reversal of 245761284 is 482167542.

It is a tau number, because it is divible by the number of its divisors (12).

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, 10240042 + ... + 10240065.

Almost surely, 2^245761284 is an apocalyptic number.

It is an amenable number.

245761284 is an abundant number, since it is smaller than the sum of its proper divisors (327681740).

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

245761284 is a wasteful number, since it uses less digits than its factorization.

245761284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20480114 (or 20480112 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 245761284 is about 15676.7753061655. The cubic root of 245761284 is about 626.3799134467.

The spelling of 245761284 in words is "two hundred forty-five million, seven hundred sixty-one thousand, two hundred eighty-four".